Google adsense

Well If you are located in US then there are many program which promises to give easy money.But as i don't belong to US i hasn't tested these .

But speaking to International People it does not really work .

If you are a WebMaster then you could try following:

Google adsense : that's my Favorites .I use google adsense on this site also. This is the only program that has work for me till now .
But if this work for me then it is not necessary that it will work for you also . If you has informative site then you can really make money threw this program. It is much batter than Pay per click or pay per impression or pay per lead program.
Try to sell some products threw you web site to earn money that is related to your web site.
By choosing wrong program you may end up by spending more money then you are earning.

There is no way to tell how much money you will earn .
You will earn money according to you own work.