Pro tip:- stay off Adsense because it's really quite shit. I know horror stories of marketers losing $10K/month businesses because Google shuts down their account without explanation.
I started out in affiliate marketing and moved on from there. It's very possible to make a decent living and I coach my students to make a good living online.
Final question in the interview:- I'm about to launch a my first product. If I don't have affiliate's or JV partners, how would you market my product for me?