[codegeek]

As a potential user, I would certainly not like this. I think if your product is good enough for me to pay, I will pay for it regardless of whether you got my cc info upfront or after the trial period ends. So keep it simple. Do not ask for cc info unless you are charging at that point. Like I said, the user who thinks your product is worth it, will pay for it later as needed.

Only use case I can think of asking for cc upfront is not related to payment. It is more related to checking authenticity if you own a critical website and want real users (may be). But again, definitely not for the case you mentioned.