This is the 100% tried and true method to learn affiliate marketing.
1. decide where you want to market
2. go refresh the page 10k times seeing all the ads that are running there
3. look for the same or similar offer
4. open an account up on that platform you want market on
5. setup 10 similar ads going to the similar offer as the other people.
6. turn the ads on
7. let them run a while, then 1 or 2 will flush out with better ctr's
8. build 3 landing pages review, graphic, blog and rotate through them
9. pick the best one.
10. run the best ad to the best lander
11. spend as much as you can as fast as you can.
It's really that simple. If it's not working go back and see what step you missed.