What is the rate for?

I am thinking about opening a forum and site to promote poker rooms. I know there's 10 million of them out there already but I was wondering what is the best way to work with a poker room?

Are CPA deals still being done or is it all a fixed % based on the players rake?

If CPA deals still go on, what's an acceptable amount to accept from a room? I know these are pretty generic questions, but they are meant to be.

I know sportsbooks for the most part want to put you on a win/loss program for the most part or offer anywhere from $10-$50 per player if they meet some kind of betting requirements as I have looked into this and didn't quite like the set ups.

Thanks in advance.