Several betting outlets are offering free bets for the World Cup, with some promotions requiring a £10 bet to receive free bets. The amount of free bets being offered varies, with some outlets providing £30, £40, £50, or £60 in free bets. It appears that multiple bookmakers, including Spreadex, Betway, Betfred, and William Hill, have different sign-up offers and promotions available for the World Cup.