The $100 Startup: Reinvent the Way You Make a Living, Do What You Love, and Create a New Future

by Chris Guillebeau

(Note: Don’t get too hung up on the exact numbers here. The point is that in almost every case, a recurring billing model will produce much more income over time than will a single-sale model.)

But if customers get annoyed because theey are charged mor thn they wouldd otheerwise buy, then they will leave the program forever, never to return