SLIP SURGEON
Full Access

Home / Start here

New here? Start free

How to use Slip Surgeon

Most of Slip Surgeon is free. No sign-up needed.

Just open a tool. These are free for everyone:

Pick the one that sounds like you:

I already have a slipCheck it in about a minute. › I'm building from scratch5 easy steps, one free tool each. ›

I already have a slip

  1. Upload a screenshot Free

    Take a screenshot of your slip and upload it to Slip Surgery. Your image stays on your phone.

    Upload my slip

  2. See each leg rated Free

    Every leg gets a read: strong, okay or weak, with the stats behind it.

  3. Swap the weak legs Free

    If a leg looks weak, Slip Surgery suggests a better one from today's data.

  4. Open it in FanDuel or BetMGM Free

    Tap one button and the slip opens in your sportsbook app.

I'm building from scratch

No slip yet? Follow these 5 steps. Each one opens a real tool.

  1. Pick a game tonight Free

    Open tonight's NBA or NFL props page. Every game is listed with the players' lines and our model's leans.

    NBA games tonightNFL games this week

  2. Check the player's trends Free

    Tap a player to open his page. Look at his hit rate (how often he went over the line) and his last games.

    Find an NBA playerFind an NFL player

  3. Check the matchup Free

    Defense vs Position shows which defenses give up the most to his position. A weak defense is a good sign for an over.

    Open Defense vs Position

  4. Add 2 or 3 legs and see the payout Free

    Type each leg's odds into the Parlay Calculator. It shows what you'd win and the real chance all legs hit. Free: 1 calculation a day.

    Open the Parlay Calculator

  5. Double-check the finished slip Free

    Run your slip through Slip Surgery. It rates each leg, flags weak ones and gives you one-tap FanDuel and BetMGM links.

    Open Slip Surgery

Like scorer bets? First Basket, Anytime TD and First TD have their own pages, each with a free peek.

Bet smarter

  • Start small. Bet amounts you're fine losing.
  • Keep it to 2 or 3 legs. Every extra leg makes the slip harder to hit.
  • Set a daily budget and stop when it's gone. Never chase losses.
  • These are model picks, not locks. Nothing is guaranteed.

21+ | Gambling problem? Call 1-800-GAMBLER. See our responsible gaming page.

Words you'll see

Prop
A bet on one player's stats, like "LeBron over 24.5 points."
Parlay
Two or more bets on one slip. Every leg has to hit to win. Bigger payout, lower chance.
SGP (same game parlay)
A parlay where all legs come from the same game.
Leg
One bet inside a parlay. A 3-leg parlay has 3 bets.
Odds like +150
Bet $10 to win $15 profit. Plus odds = underdog, bigger payout.
Odds like -110
Bet $11 to win $10 profit. Minus odds = favorite, smaller payout.
Hit rate
How often a player went over a line. 17/20 means he hit it in 17 of his last 20 games. Past results, not a promise.
PRA
Points + rebounds + assists added together.
Alt line
A different line than the main one. A lower line is safer but pays less. A higher line pays more but hits less.
Still have questions? Need help? Read the plain-English guide ›
Or DM or @ us on X @TheSlipSurgeon.

Want more? (optional)

Everything above is free. If you want extra: a free email sign-up shows 10 more rows on locked tools, 5 calculator runs a day and a free daily slip. Full Access ($9.99/mo, first month $4.99, cancel anytime) shows every row and sends you the day's AI-built parlays. Compare plans.

Group chats can charge $50 or more for one person's guesses. Slip Surgeon's picks are built by AI from real stats and trends, and Full Access starts at $4.99 (first month with your free code, then $9.99/mo). Model picks, not locks. 21+ | 1-800-GAMBLER.