Watch them. How are other content creators in your niche utilizing advertising? What types of ads do they use? What are they promoting? What do they talk about repeatedly (if you keep seeing the same affiliate product show up again and again, there’s a good chance they’re making good money from it)? If you see a product or service they talk about that jogs your memory and you can ethically promote it too, find affiliate information by the methods described above.
#2. Site Build It - Site Build It is my second choice for learning how to create an online business. The training is very good and you get one website with hosting included. There is no free option, which is one of the reasons that it is not my first choice. I started here back in 2007 and the education that I received was very valuable and helped me to achieve a great level of success.