Link for joining AdSense ?

http://www.google.com/adsense

Whats the main requirement to Join AdSense ?

You need to have a web site or a blog which is fulling working. They are tend to reject too new blogs or sites So make sure your site has lot of content or blog has lot of posts.

If they reject my site, May I reapply ?

Yes you can. Usually they send you a mail telling why they rejects you.

What type of sites they don't accept for AdSense ?

Adult sites, Gambling, Guns, Warez siters, imcomplete sites.

How can you earn money from AdSense ?

They give text and image ads to put in your website or blog. When visitors click through those ads you get paid. This is called pay per click or PPC.

Do you really can make money from Google Adsense ?

Yes if you have a good website or blog with loads of traffic you can earn a lot. Site traffic is the key.

What are payment methods AdSense use ?

standard checks, Wire transfers ( US and Canada) , Western Union for limited countries.

What's the minimum amount AdSense pay ?

100 usd.

How Many Ad units you can use per page ?

3 text ads units, 3 Link units and 2 search boxes

Is it ok to click on your own ads ?

You can't click on your ads or tell anyone else to click on them. You can make your site visitors clcik on them too, like asking them to click on ads to support site.

What if I click on ads ?

They will find it sooner or later and they would ban you for good. They don't take excuses for invaild click problems.

What type of traffic is Good for AdSense ?

The best soruce of traffic for AdSense is search engine traffic. You can also you traffic from forums, bookmarking sites even from Yahoo answers.

what types of traffic you are not allowed to use for AdSense ?

PTC traffic, Banner exchanges, Email promos ( putting ads in emails) , traffic exchanges

Are there alternatives to use if you get banned from AdSense ?

Yes there are Alternatives for AdSense but none pay same like AdSense.

What are the highest paying keywords for AdSense ?

There are plenty of high paying keywords like all finance related ketwords, web hostings, Domain names, keywords about law also medical related keywords. Here's a list of latest Top High paying keywords

Do you get a better ranking in Google search if you have a AdSense account ?

No you don't. Google Search has nothing to do with Google AdSense. Your site won't get index because you are in AdSense. Also if you get banned from AdSense it won't effect your Google search engine rankings.

Can somebody sabotage my AdSense account ?

It can happen. Its always better monitor your sites click activity and inform AdSense if you notice something wrong like too many clicks.