Description
Place a £10+ pre-match ‘Bet Builder’ on Chelsea v Man Utd to get a £5 free ‘Bet Builder’ for Man City v Arsenal.
Eligible events
Key terms
Opt in
Tap the Opt In button on the promo carousel before betting.Offer availability
Between Friday, 17th April 2026 and 20:00 on Saturday, 18th April 2026; online only.Event & market
'Build-A-Bet' on Chelsea v Man Utd qualifies for a £5 free 'Build-A-Bet' on Man City v Arsenal.Minimum stake
£10+.Minimum odds
5.00 (4/1).Minimum selections
2+.Qualifying bet
First 'Build-A-Bet' on Chelsea v Man Utd after opt in.Reward
£5 free 'Build-A-Bet' credited upon placement of the qualifying bet.Reward use
Use on Man City v Arsenal; 2+ selections; odds 5.00 (4/1); stake not returned with winnings.Expiry
16:30 on Sunday, 19th April 2026.Restrictions
One per customer.
General advice and example for ‘Bet X, Get Y’ offers
Place your qualifying bets at low odds, ensuring you meet any minimum odds requirement. Use the ‘Qualifying Bet’ setting on the Matched Betting Calculator to calculate your lay stakes.
Once received, 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 ‘Bet X, Get Y‘ 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.