Respect the rules. If you don't like them go elsewhere. Last post: Re: Beware of the crooks by Arbusers on January 17, , PM. 7. Posts, 3. Topics. Arbitrage /Surebet is waste of money if you're betting the other side at pinnacle .. Why? Because the side you bet on Pinnacle will usually lose. Due to new laws coming in to effect in the United Kingdom, Pinnacle Sports will be closing all UK accounts and will no longer accept wages.