1- Paid Posting: Paid posting is a service that some forums offer so when you post you get forum points and then you can exchange them for money, hyipstalk

are good examples.
2- Reseller Hosting: Reseller hosting is a nice way to earn money, when you purchase a reseller plan you can resell domain names or hosting.
3- VPS: Virtual Private Server, this means you sell hosting or domain names with full administration features, you earn much more.
4- ADS: Ads are one of the most common ways to earn money, you just need a nice site so the ads service will accept your site and with more traffic, more $!
5- Templates & Graphics: Some people buy templates and graphics for their sites, so if you know photoshop then start to design some cool images!
6- Parked Domain: Do you have a domain under construction or you dont use it? Go on, Park it, when you park your domain each time someone clicks on a link you earn money, same as ads.
7- PTC = Paid to Click
8-PTS = Paid to Signup
9-PTP = Paid to Promote
10-Paid to Surf.
11-Forex Trading
12-Betting
TIPS:
1- YOU NEED A PAYPAL OR E-GOLD OR E-BULLION ACCOUNT!!!
2- For Reseller hosting, you will need a TLD and some graphics to atract people to your sites
3- For Reseller and VPS, Dont make your offers too expensive or people wont purchase, always try to make events.
4- For ads, get a nice template and a good traffic so you will earn more.