Anybody using Chitika Premium? How is it?

Those big Chitika premium ads that show only to search traffic from US and Canada, do they pay well? There is an option to show other ads in case they can’t fill it. I tried it once, but the backup ads didn’t show. So I removed them. Any one else had such problems?
I want to take another look into it. Tell me about your experiences.

See original post by theredgiant