Great tips.
Under my signature below there is a link for Crak which has tons of offers if you're not sure what to promote.
They additionally have tons of "Per Per Lead" offers which surfers just need to enter email and you get paid for either single opt-in or double opt in. If you have different countries that you want to target they have a great "sort" option or you can talk to a manager to setup best country offer.
You do have to maintain some sort of sign-up ratio...that's how I was able to scale up to over 5-7,000 a week.
Excellent way to generate some fast cash. Good luck!!