I suppose the reward you offer would depend on how much you want the client who is being referred, as opposed to how much you need the money you are 'giving back' to the client making the referral. If you REALLY wanted referrals, you might even offer more than $10 - after all, a referral could end up bringing you a new client for $50 a week for the next five years. Trouble is, you never know ;-)I would say that, to put the decision on a firm business basis, work out how much extra you would make from someome who is referred (the profit on a session multiplied by the average number of sessions a referred person books), and decide what proportion of that extra you want to pass on to the referrer. Some businesses use loss-leaders, to increase market share at the expense of profitability in the short-term - your business might be very small, and your most important driver might be to grow, rather than to make any money. In this case, you might offer a free massage to anyone who refers someone who goes on to book more than one session. Some businesses even pay people cash to refer other people. It is all up to you, and how valuable referrals are to your business at this point.Just a few ideas. I am thinking of offering a free session to someone who refers someone else who books for more than one session myself, to grow a little.