I was .. and was making bank! Nowadays, there is a lot more competition, and it requires a lot more trial and error in my opinion! If researched, and you can create a good campaign then PPC can still be one of the best ways to make money online.
Lot's of people do this and, if done correctly, it can be extremely profitable. However, there is a slight learning curve to figuring out the best strategies for the websites.
Adwords is the hell on earth. I needed about two weeks to setup everything (more than 20,000 KWs) - now cashflow rolls in...
I was doing Great with in around 2009; now it's BS. That would be a good idea, but you will have to get a good quality one. I'm giving up on them, because they hate affiliates now...