Can you earn more with one job or ten jobs? Just creating a bunch of junk sites is NOT the key to making more money - and how many quality sites can you build and keep updated by yourself?
you would want to research what adsense pays per click. If you are only getting $0.10 per click then that is not worth sending your visitors away from your site to never come back. It is better to sell them something that you will make more on. Now if you are getting $5 or more per click then it could add up.
I don't think it's about how many sites, but the quality and time you put into each one. You have to think of it as traffic - if you gain tons of traffic and give your visitors a reason to come back, they will because you have a unique site with unique content.
Focus on one site at a time. Take some of the profits on the first site and put them in to a new one but the first site really needs to be doing well to do this,
you will have to drive traffic to your sites..it wont happen by itself. Make a lot of niche sites obviously and the more sites you have the more money you will make.
Yes just open 20 websites and sit back and watch all the money come in. You can retire at 22 years old. . . with a mansion, a Porsche, and a beautiful wife. Thank you Google AdSense. You make life worth living! /*tom*/
I think you should create 1 Website and Post Highly Unique Content on it. The More Quality Content you post, the more traffic you will get from Search Engines. Try to target keywords with high search and build website
You are using the same content with changes on different site. I think this is not fair. Its a cheat. Leave this idea.
what do you mean by "wait for websites to get popular". Brother you need to do lot of struggle to make it popular and not one night game. It takes time and strategy.
Waiting for website to get popular - It's never going to happen. Lots of hard work can make a site popular.