I'm in a similar boat. Here's what I'm thinking of doing: sign up for free month, and then after 3 weeks (or they've used the system X times) email them a remi

I'm in a similar boat. Here's what I'm thinking of doing: sign up for free month, and then after 3 weeks (or they've used the system X times) email them a reminder to put in their credit card in exchange for another free month.