I've done them all. Here's my writeup on the pros/cons of each: http://doubleyourfreelancing.com/the-definitive-guide-to-project-billing/ http://doubleyourfreel

I've done them all. Here's my writeup on the pros/cons of each: http://doubleyourfreelancing.com/the-definitive-guide-to-project-billing/ http://doubleyourfreelancing.com/the-definitive-guide-to-pro...