betfair free referral bet again. in Betting & Gambling Posted March 10, 2013 Can you tell exactly how can i use this one code?? How can i share??sorry mate,sign up with a new account using the referral code. lump £25 on something at odds of over 1.2, within a few days the £25 will be back in your win or lose. you can withdraw the £25 right away so its a totally risk free bet.money should be in your accounts before now lads. hope you's got a winner!