Buying or selling an established website is a great way of making money. And to create an online income, all you have to do is have a an established online website or a blog with good content and already indexed. Therefore, those looking to buy your websites will come by, read your articles, and have a high probability of being interested in the targeted ads. Every time someone clicks an ad, you get paid! That is, as long as you have designed your site to maximize AdSense clickthroughs!

Things to look for when buying complete established websites up for sale:
Is the website making any money? Is there proof?
Does the website have traffic? Is there proof?
Check the domain name to see when domain was registered.
Check out the website' Google™ page rank.
Check out the website' Alexa™ ranking.
Check out the website or websites' back links in Google™, All the Web, Altavista and other search engines.
If you plan to use Google Adsense™ as your source for income, ensure the website has not been banned. What does is take to maintain a website? i.e. hosting fees, content addition, promotion, etc.

Why does the owner want to sell the website?

While all of those factors are individually important, ultimately you should go with your gut instinct before you purchase a website. You know your circumstances, the time you can devote to a new website, what you will have to do to maintain the website, the additional costs involved, etc. Only you can determine if it will be a good business decision for you to buy an established web site.

Searching the web for ways to make money on the internet. As I was looking at scam after scam I noticed an article on some webmaster message board about Google Adsense and how there were people making money with established adsense websites. So not knowing much about building websites I put together a very simple adsense site and bought a crappy domain name. I found many people online with adsense ebooks, tips and ideas for sale