Arbs that are guaranteed to lose, and in some cases lose you a lot, are an unnecessary price to pay for making your bookie smile so my advice is to use this approach with caution. There is also the additional cost of Betfair commission to factor into your lay bet, so you may end up locking in a loss no matter what. He’ll now figure you’ve moved on to successfully backing rank outsiders and are therefore not worth the trouble.

This will follow as night follows day, if you’ve been taking money off him prior to the race. With the punchline being that, if your longshot wins, your bookie will probably close down your account anyway. This, in my opinion, is way too much stress for the pleasure of making your bookie twenty quid richer. Such an arb could cost you up to £400 on a £20 stake if the Law of Sod kicks in, and Lucky Ned comes home in front. So if you back Lucky Ned at 30, you might be offered lay odds on Betfair of 40 or 50. In particular, things can go wrong if you're tempted to back-and-lay longshots to 'make sure' you lose, as longshots are often only available at much longer prices on Betfair than they are at your bookmakers. This approach can often work but may prove expensive or back-fire entirely and get you shut down. Lucky Ned to win), (b) lay the same event off at Betfair (Lucky Ned not to win), then (c) hope that the event doesn’t happen (e.g.

You therefore have to think about how to fake losses effectively, with the classic way of doing so being to (a) back an event at the bookies (e.g. It may seem like stating the obvious, but bookies don't like winners.

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