How do you know that non NATS or CCB sponsors are not shaving?
 

How do you know for sure?
You just have to decide if you're pleased with the way the sponsor is converting the traffic and have some idea of the quality of your traffic... or what?
Do you test them now and again?
How are you sure you get your residuals?

trust and word of mouth! Oh and check the convert ratios too! See sig for good sponsor

I go by my traffic and word of mouf

NATS catches people who shave, you can trust those guys.

You don't know 100%