Hmmm, that is a hard one. My suggestion would be to do customer dev calls with target customers and really make sure you are solving a pain point and talk to t

Hmmm, that is a hard one. My suggestion would be to do customer dev calls with target customers and really make sure you are solving a pain point and talk to them and get a feel for it. *Search on youtube for some great videos from YC. Barring that you could look at the cost of acquiring a customer if this is more a question of how to attract them. IE, if you have to pay $10 in PPC to acquire one customer when and how will you be profitable?