Description
Place a pre-match or in-play ‘Bet Builder’ on Cardiff v Wrexham to get your stake back as a free bet if it loses.
Eligible events
Key terms
Opt-in required
Click ‘Opt in’ on the promo page before betting.Offer availability
08:00–22:00 on Monday, 17th August 2026; ends at full-time.Event
Cardiff v Wrexham.Market
Single 'Bet Builder'.Minimum odds
2.00 (Evens) per 'Bet Builder'.Qualifying bet
First pre-match or in-play 'Bet Builder' placed after opt-in.Maximum refund
Personalised cap shown in your account.Reward
Losing stake refunded as a free bet upon settlement, up to the personalised cap.Free bet rules
Usable on any sport within 4 days; stake not returned with winnings.Restrictions
One opt-in and one qualifying bet per customer; promo reappears if bet is void; offer ends at full-time.
Read full terms .
Tips for this offer
Based on a 'Bet £5, Get £5' version of this offer, aim for a profit of £2.50 on this William Hill offer.
General advice and example for ‘Money back if bet loses’ offers
Place your ‘Money back if bet loses’ bets at high odds to maximise your profits. Use the ‘Money Back if Bet Loses’ setting on the Matched Betting Calculator to calculate your lay stakes. In the ‘Cashback’ field, you should enter the amount of your cash refund or the amount you expect to convert if the bookmaker pays your refund as a free bet or bonus.
You can convert any free bets or bonuses into cash. Use the ‘Free Bet’ setting on the Matched Betting Calculator to calculate your lay stakes. It’s best to place free bets at high odds to maximise your profits.
See my Money back if bet loses guide for a complete walkthrough of this offer type.
How to lay a Bet Builder
If you’re looking to lay a football Bet Builder, you’re in luck. All you need to do is add the right combination of selections, and you’ll be able to lay your Bet Builder in one bet at the betting exchange.
Bet Builders on other sports tend not to be as straightforward, and you may struggle to lay your bet. In that instance, and depending on the offer, you may want to treat it as advantage play.
See my Bet Builders guide for a walkthrough of your options.
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Matt Kirman – Matched Betting Blogger
Since 2014, I’ve blogged over £100,000 worth of profit, and made it my mission to make matched betting accessible to everyone.