The short version
Bid on what a player does for your lineup, not on how loud the hype is. A new every-week starter is worth a big chunk of your budget. A one-week streamer is worth a few dollars. Your money is worth more in September than December, so do not sit on it. And the most expensive mistake on the waiver wire is winning an auction you should have lost.
What FAAB is, and how it differs from waiver priority
FAAB stands for free agent acquisition budget. At the start of the season every team in your league gets the same pot of fake money, usually 100 dollars, sometimes 200 or 1,000. When a player is on waivers and more than one of you wants him, you each write down a secret bid. When waivers process, usually early Wednesday morning, the highest bid wins the player and that money is gone for the year. Everyone else keeps theirs.
The older system is waiver priority. There is a queue, it usually starts in reverse standings order, and the team highest in the queue gets the player. Use your spot and you drop to the back. Priority asks you whether a player is worth your place in line. FAAB asks you what he is worth in dollars you cannot get back, which is a harder and more interesting question, and the reason most leagues I play in have switched.
Two mechanics matter more than people realize. First, bids are blind, so you are never just pricing the player, you are guessing what the room will pay. Second, ties are settled by your league's rules, often by waiver priority or by a coin flip, so check your settings before you assume a tie goes your way. And a player nobody bids on usually becomes a free agent after waivers clear, where anyone can add him for nothing.
Bid on what he does for your lineup, not on the hype
Here is the mistake I made for about ten seasons. A player has a big Sunday, my group chat lights up, and I bid on the excitement. The bid had nothing to do with my team. The right question is boring and specific: if I add this guy, how many weeks does he actually start for me between now and the end of the season, and how many more points do I score in those weeks than I would have with the player I am cutting to make room?
Those two numbers, weeks started and points gained over the cut, are what a pickup is worth to you. Not to the league, to you. A running back who would start for eleven straight weeks over your current flex is worth a lot. The same running back on a team that already has three good backs is worth almost nothing, because he would sit on your bench, and you cannot score points from the bench.
This is why the same player deserves a different bid from every team in the league, and why copying a bid from a podcast is a coin flip. The FAAB calculator on this site does this arithmetic against your real Sleeper roster: every remaining week with him and without him, in your league's own scoring, with the player you would cut already subtracted. The rest of this guide is the reasoning it runs on.
How much to bid, by kind of pickup
Every bid is a share of what you have left, not of what you started with. If you have 40 dollars in week eight, a "forty percent" bid is 16, not 40. With that said, here are the four kinds of waiver pickup and roughly what each one is worth, in a typical twelve-team league. This is the shape of the calculator's answer, and the bands it falls back on when it cannot project a player, merged into buckets you can actually remember. With a league connected it prices the specific player against your specific roster instead.
| Kind of pickup | What he is | Share of remaining budget |
|---|---|---|
| League-winner | A starter got hurt and this guy just inherited a full-time job in a good offense. He starts for you every week from here. | 65 percent and up, all the way to everything you have |
| New weekly starter | A role change, not a windfall. He is a clear lineup upgrade most weeks but not a season-changer. | 25 to 65 percent |
| Depth and stashes | A handcuff, an injured player coming back, a rookie with a path to a role. Useful in a month, not on Sunday. | 4 to 25 percent |
| Streamers and flyers | A defense or kicker for one matchup, a bye-week fill, a dart throw. | 0 to 4 percent, and 1 dollar is often enough |
Notice how much room there is between the top row and the second. Most bad bids are second-row players priced like first-row ones. The test I use: would I start him over my worst current starter next week without thinking about it? If the answer is no, he is not a league-winner, whatever the highlight looked like.
League size moves all of this. In a ten-team league the free agent pool is deeper, useful players are easier to replace, and every range shifts down. In a fourteen-team league or one that starts three receivers and two flexes, replacement players are worse and every range shifts up. The Positional WAR guide explains why the position matters as much as the player: a pickup at a position that runs out fast is worth more than the same points at a position where the next guy is nearly as good.
September dollars and December dollars are not the same money
A dollar of FAAB is worth exactly what it can still buy. In week two it can buy any of a dozen or so weeks of upgrades. In week fourteen it can buy one or two. So the same player deserves a bigger bid late in the season than early, and money you are still holding when the playoffs start bought you nothing at all. Leftover FAAB in January is a mistake, not a badge.
Early in the year the pull goes the other way. The week one waiver wire is full of players who had one big game in a role that will not last, and the entire league is bidding on the same hope with full wallets. The calculator discounts its answer in the first few weeks for exactly this reason, by up to about fifteen percent by default, and then raises it week by week until it is adding up to forty percent late in the season when a real upgrade has nothing left to be saved for.
The practical rule: spend real money early only on a change you can name, like an injury to the starter ahead of him or a trade that emptied a depth chart. Spend freely late, because there is no later. And if you are a contender at the trade deadline with half your budget left, you have been too careful, and the fix is to be the highest bidder on the next real upgrade rather than the second-highest on three.
Reading the room: you only have to beat one person
What a player is worth to you sets the most you should ever pay. What it takes to actually win him is a different number, and it is almost always lower, because it depends on the other eleven managers and not on you. A bid is an auction, and an auction is won by whoever reads the room best.
- What they can spend. Sleeper reports what every team has spent, so you can work out what each one has left. If the three teams who need a running back are all under 20 dollars, you do not need to bid 45 to win one. Look before you bid.
- How many of them want him. A player only helps a team with a hole he fits. One interested rival is a bargain. Five is a bidding war, and a bidding war is usually one you should let somebody else win.
- What your league actually pays. Every winning bid is in your league history. Some rooms never clear ten percent on anyone; some spend forty on a backup. Your league's past bids are the best guide to its next one, and the calculator reads them when a league is connected and has enough priced claims in its history to mean something.
- Odd numbers. People bid in round numbers. If you think the winning bid will be 20, bid 21 or 23. It costs almost nothing and it wins ties you did not know you were in.
Put together, this is why the calculator gives you a ladder instead of one number. Bid this is the amount that usually wins. To be sure is what it takes when you cannot afford to lose him. Walk away above is the ceiling, the point where winning stops being worth it, and it is the most useful number on the page.
Who to drop
Every add is also a cut, and the cut is half the decision. The right player to drop is the one your lineup would miss least, which is not always the one with the fewest points. A backup running back one injury from a starting job is worth more than his box score. A fourth receiver on a bad offense is worth less than his.
Two habits save a lot of regret. First, never drop a real player for a one-week streamer; stream from the bottom of your bench, where the player you cut is one you would not miss in a month either. Second, in a dynasty or keeper league, do not cut a player who still carries real trade value to make room for a rental. Trade him for something instead, even a late pick. A dropped asset is a gift to whoever claims him.
When a league is connected, the calculator lists up to four drop candidates, cheapest to lose first. It decides who may be named on healthy projections, so a starter who is hurt this week cannot look disposable for that reason alone, then orders them by what your lineup actually loses. It also refuses to name a player worth more than the one you are adding, and in a dynasty or keeper league it only names players from the bottom of your roster by value. If it names nobody, one of two things is true: you have an open bench spot and do not need to cut anyone, or every player it could name is one you would rather keep, in which case it says so and leaves that call to you.
When to spend it all
Sometimes the right bid is everything you have. It is rarer than the group chat thinks, but it is real. The player is a true league-winner, a full-time starter in a good offense who will be in your lineup every week from here. You are a contender, so those weeks matter. And he fills a hole, so those points are gains and not a bench decoration.
When all three are true, go big. A player like that rarely reaches waivers, and the season he wins you is worth more than anything the leftover dollars could have bought. The calculator's own all-in verdict is, by default, a bid of about 70 percent of what you have left with a walk-away line near 90, and it only runs the ceiling all the way to 100 when the hole he fills is a starter you need right now. It flags the case on its own when a claim adds about 12 points of playoff odds, or about 3.5 points a week to your lineup.
When even one of the three is false, do not. The saddest bid on the wire is a last-place team spending its whole budget on a player who will win it two meaningless games in December. With a Sleeper league connected, if your playoff odds are already under about 5 percent, the calculator will not tell you to empty the budget, and neither will I. Save it, or better, trade the player you would have cut to a contender for a pick.
Dynasty FAAB, and how much to spend on rookies
Dynasty changes one thing about all of the above: a waiver pickup keeps his value next year, so a stash can be worth more than his points this season. It does not change the core rule. A player who never starts for you is still worth very little, and a dynasty budget has to last a long time, so the bar for a huge bid is higher, not lower.
Rookies are where most dynasty budgets go to die. An undrafted rookie with a real path to a role is a stash: low single digits, and only if the bench spot is free. A rookie whose role just changed because of an injury is a new starter and gets priced like one. A rookie who is a name and nothing else, no snaps, no targets, no depth chart movement, is a flyer, and a flyer is a dollar. Some dynasty leagues run their rookie free agency through FAAB after the draft; the same buckets apply, with the extra caution that you are bidding on players nobody in the league thought were worth a pick.
One more dynasty-only rule: if you are rebuilding, your FAAB is at its most valuable in the weeks when contenders are desperate. Let them empty their budgets in October. Your pickups are the ones that matter in March.
Mistakes I see every year
- Bidding the hype, not the role. One big game in a committee is not a job. Look at snaps and touches before you look at points.
- Overpaying by 20 to feel safe. Winning by 20 dollars scores exactly as many points as winning by one. You only have to beat one person; guess what they will pay and clear it by a little.
- Hoarding. The team that reaches the playoffs with 60 percent of its budget wasted it.
- Emptying it in week one. Full wallets and thin evidence make week one the worst market of the year. Pay for facts, not for hope.
- Cutting the wrong player. Dropping a handcuff or a dynasty asset for a streamer is a gift to whoever picks him up.
- Ignoring the position. A hot receiver in a league where the fortieth receiver is fine is worth much less than the same points at running back, where the cliff is real.
- Bidding round numbers. Twenty loses to twenty-one. Bid twenty-one.
A worked example, with made-up numbers
Say it is week five in a twelve-team PPR league with a 100 dollar budget, and you have 71 left. A starting running back on a good offense tore an ACL on Sunday and his backup is now the guy. Your running backs are a stud, a middling starter, and a flex who has been scoring 8 a week. You are 3 and 1.
| Step | The question | The answer |
|---|---|---|
| 1. Weeks started | How many of the remaining 13 weeks does he start for me? | All 13, as my second back, pushing the 8-a-week flex to the bench |
| 2. Points gained | How much more do I score than with the player I cut? | He projects 14 a week; the flex is 8. About 6 a week, over 13 weeks |
| 3. Odds | What does that do to my playoff chances? | From about 70 percent to about 82 percent. Real, not decorative |
| 4. Kind of pickup | Which bucket is he in? | A new weekly starter with league-winner upside: top of the second row |
| 5. Value ceiling | The most he is worth to me, as a share of the 71 I have left | Around 55 percent, so roughly 40 dollars. Walk away above that |
| 6. The room | Who else needs him, and what can they spend? | Two teams need a back. One has 12 dollars left, the other 44 |
| 7. The bid | What wins without overpaying? | The 44-dollar team is the only threat. 27 probably wins; 36 is the sure thing |
So the ladder reads: bid 27, go to 36 if you cannot afford to lose him, walk away above 40. Notice that the walk-away number came from your roster and your odds, and the bid came from the other team's wallet. Those are two different numbers, and keeping them apart is the whole skill. Bid 36 here and you have 35 left for a season that still has a lot of Tuesdays in it.
Questions, answered
How much FAAB should I spend on one player?
Bid on what he does for your lineup, not on the noise around him. A player who steps into a full-time starting job you would play every week is worth a big share of what you have left, often 40 percent or more. A one-week streamer is worth a few dollars. The FAAB calculator on this site prices a claim against your actual roster and tells you where to stop.
Should I spend my whole FAAB budget in week one?
Almost never on a rumor, sometimes on a fact. Week one waivers are full of players who had one big game in a role that will not last, and the whole league is bidding on the same hope. Save the big number for a player whose job changed for a reason you can name, like an injury to the starter ahead of him.
What is the difference between FAAB and waiver priority?
Waiver priority is a queue: whoever is highest in the order gets the player, and using it usually drops you to the back. FAAB is a blind auction: everyone bids from a season-long budget and the highest bid wins. Priority makes you ask whether a player is worth your spot in line. FAAB makes you ask what he is worth in dollars you cannot get back.
Is it bad to have FAAB left over at the end of the season?
Yes. Leftover FAAB in January bought nothing. A dollar in week two and a dollar in week fourteen are not the same money, because the later one has fewer chances left to be spent. As the season goes on, the right bid on a real upgrade climbs, and a contender should expect to reach the playoffs close to empty.
How much FAAB should I bid on a rookie in dynasty?
In a dynasty league a waiver pickup has value beyond this season, so an undrafted rookie with a real path to a role is a stash worth low single digits, and a rookie whose role just changed because of an injury is priced like any other new starter. What you should not do is empty a dynasty budget on a name alone, because that budget has to last a long time and the player usually does not.
Do I have to bid at all if nobody else wants him?
Bid one dollar, or whatever your league's minimum is. A zero-dollar claim and a free-agent pickup after waivers clear are the same thing in most leagues, and a one-dollar bid protects you from the one other manager who had the same idea. You only ever have to beat one person.
Run it on your own claim
Everything above is what the FAAB calculator does in a few seconds against your actual roster: weeks started, points over the cut, your odds before and after, who else can outbid you, and a bid ladder with a walk-away line. Connect your Sleeper league for the full version, or enter your league size, starters and budget by hand. And if you want the vocabulary first, FAAB, waiver priority and the rest are in the glossary.