[mediaman]

Best advice. It has to hurt people when they type in their credit card details. If it doesn't, it's too cheap. You'll make far more money turning a few cheap customers away while capturing the surplus of people who actually have a serious problem to fix.

What others haven't mentioned yet is that this also gives you an excellent user base for any future products you decide to create and release. Would you want to market your next product to an existing customer base of a bunch of cheapos, or people who have prequalified themselves as individuals whose time is worth serious money and are willing to pay up for good quality fixes to their problems?