A bookmaker's bonus bet can't be withdrawn. Back it at the bookmaker, lay the same selection on Betfair, and most of its value lands in your account whichever side wins. SureStake finds the bet and works out every stake.
Free plan, no card needed.
Back at the bookmaker
$100.00
bonus bet at 5.00
Lay on Betfair
$79.37
at 5.10, liability $325.42
| If your pick | Bookmaker | Betfair | You keep |
|---|---|---|---|
| Wins | +$400.00 | -$325.42 | $74.58 |
| Loses | $0.00 | +$74.61 | $74.61 |
Cash from a $100.00 bonus bet,
whichever side wins
$74.58 75%
Example odds with Betfair's 6% commission. Prices move, so check both before you place either bet.
Odds from 20 Australian bookmakers, laid on Betfair Exchange.
See what each plan covers arrow_forwardThree steps to turn a bookmaker's sign-up bonus into withdrawable cash, then repeat with the next bookmaker.
Join a bookmaker with a sign-up promo, for example "deposit $100, get $50 in bonus bets".
Our software checks each bookmaker against Betfair and ranks the bets that keep the most of your bonus. Pick one and the calculator shows exactly what to place on each side.
Place your bonus bet at the bookmaker, then bet against the same outcome on Betfair (lay bet). Whichever side wins, you end up with about the same amount.
From finding the bet to tracking what it made you, built for Australian bookmakers.
AU bookmakers’ odds next to Betfair Exchange’s, refreshed throughout the day. Each bet shows how much of a bonus bet you’d keep, and how little a bet with your own money would cost you, so the best options rise to the top. Click any row and the calculator tells you exactly what to place.


Spread a stake across several bookmakers, each backing a different outcome of the same event.




A browser extension that reads live odds off your open bookmaker and exchange tabs, flags the runners worth backing, and works out the exact stake for each one.


Every bookmaker’s price for a fixture side by side, with Betfair alongside. The best price on each outcome is highlighted, and you can see how far it beats the average.
Back/lay, bonus (SNR) and dutching calculators. Enter your odds and get the lay stake, liability and the result on each outcome, with your Betfair commission already applied.
Log every back and lay you place. Track running P&L per bookmaker, see which bonuses you have already cleared, and watch your total profit build over time.
SureStake takes you from complete beginner to your first profit, no betting experience needed.
Built-in learning content takes you from "what is a lay bet?" through to placing your first matched bet, with worked examples at every step.
A getting-started checklist walks you through your first bonus extraction one step at a time, so you always know what to do next.
You never work out a stake yourself. Every calculator shows the exact amounts to place and what you end up with on each outcome before you bet.
The free plan is enough to learn the ropes and complete your first matched bets.
Free
Starter
Core
Everything in Starter, plus:
Compare plans in full Bookmakers, leagues and markets by plan
Free plan, no card needed.