What counts as a qualifying bet
Each bookmaker sets minimum odds (commonly 1.5, 1.8 or 2.0), a minimum stake and sometimes a market restriction. Read the terms first. If the offer allows only 'pre-match singles', don't try to qualify with an in-play accumulator or a bet builder.
Some offers explicitly exclude 'each-way', 'enhanced' or 'combined' selections. Others require the qualifier to lose before the free bet triggers. Read every clause before you place a penny.
Choosing the market
Use the odds matcher's 'qualifying' filter. It ranks matches by rating: 100% means the back and lay odds are identical (rare); anything above 97% will keep the qualifying loss inside a couple of pence per pound staked.
Football (especially Match Result, Over/Under and Draw No Bet markets) and tennis usually offer the closest matches. Horse racing can be volatile pre-off; check twice before placing and be aware that prices move fast in the final ten minutes.
Sizing the lay
For a 'stake returned' free bet promotion, use the matcher's 'normal' lay calculation — you're aiming to break even whichever side wins.
For an SNR promotion the qualifier is still 'normal' — you're not trying to bias the position yet. The bias comes when you place the free bet.
The calculator does all the maths; you just enter back odds, back stake, lay odds, and commission. Don't try to eyeball it. Everyone gets it slightly wrong the first time they try.
Timing
Place the two bets within seconds of each other. Odds move — especially on horse racing and in-play football. Any gap between the bookmaker back and the exchange lay is a gap where the price can drift against you.
If the exchange has moved by the time you're ready to lay, recalculate at the new price and place. Don't try to 'wait for it to come back'.
Kelly's tips
- ✦Never place the qualifier if the rating is below 95% — hunt for a better match.
- ✦Some bookmakers require the qualifier to be a specific product (e.g. 'Bet Builder'). Check before you shop for a market.
- ✦If you're doing multiple offers in one weekend, spread them across different fixtures. It reduces the chance of a settlement delay blocking the next offer.
Common mistakes
- ✕Using a bet builder to qualify when the offer excludes them.
- ✕Placing the qualifier at odds below the offer's minimum by accident.
- ✕Assuming a small stake covers a large-stake offer — many offers require the full minimum.
- ✕Choosing a market with poor exchange liquidity — the price can move mid-placement.
FAQs
Can I lose more than the qualifying loss?
Not if you sized the lay correctly. The maths guarantees a small loss whichever side wins.
Do I have to lay immediately?
Yes — place the exchange lay within seconds of the bookmaker back to avoid price movement.
What if my qualifier gets voided?
The bet is returned as cash and the free bet usually isn't triggered. Re-qualify with a different market when the terms allow.
Can I qualify with in-play bets?
Some offers permit it, but odds move too fast in-play to make it worth doing. Stick to pre-match for beginners.
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