I'd like to build a few small specialized groups within a social network framework, and then get paid for each person I convince to signup with their credit card. Does anyone know of any turn-key solutions that will take care of the billing of customers? whitelabledating.com is an great example for what I'm looking for, but it is too geared toward dating. I thought about installing a social networking script on my server and getting my own merchant account. Obviously, more money would stay in my pocket since I've cut out one of the middle men. However, it's too much work for me at this time. I'd like to get up and running fast so I can test the waters before I invest significant time and money in this idea.