very little money / person is fine as long as you have enough scale to back it up. @parentcomment. I see that you seem to have a lot of traffic from India. You

very little money / person is fine as long as you have enough scale to back it up. @parentcomment. I see that you seem to have a lot of traffic from India. You might want to check out http://vserv.mobi/ http://vserv.mobi/ IIRC, they do have this payment processor which can pull money from your mobile prepaid balance. I don't think a lot of people here use credit cards.