So far this month I have made around ~$1400 w/ cj, you just need good traffic, and good converting products. IMO its better to sale higher priced items fewer times in the month then selling small priced items every day.
If you guys want to learn the good stuff about affiliate marketing, run over to: www. abestweb.com. It's THE affiliate forum. And believe me, there are many, many there that make 4-6 digits per month.