Google adsense, as we all know is the largerst PTC network on the net. If you do adsense with the right way you will make some good money but if you put it wrong, it will be a disaster.
1. Do not use fake ID in google adsense.
you better give your real ID when you register google adsense or else you will get banned.
2. Do not modify google adsense ads code.
"modify" means to change the algorythm so that you could make more money per click. Your google adsense account will be banned and the worst they can drag you to a court!
3. Do not place google adsense code in the hidden place.
when you paste google adsense code in your website, you better make sure that the area you'll use is similar or wider with the adsense. and remember to not place the adsense code on something float in your website. Floating ads is not acceptable.
4. Do not place google adsense ads on an empty page.
google really like a unique content and article that could help visitors, and help the advertiser. so that you place google adsense ads on empty page (registration page, contact form page) will violate their TOS and you will get banned.
5. Do not Click google adsense ad on your own website !
for new publishers, google adsense is something new and "fun" so maybe that they are trying to prove that adsense did pay us they will click the ads on their own page. DON'T DO THAT !
6. Do not beg for click, or place any incentive for clicking google adsense ads
it is violated google adsense TOS but as you can see a lot of websites/blogs place something like "Help us" with the ads below it. remember, dont do that
7. Do not place google adsense ads on the same page with same/similar ad system
google adsense running on an "interest-based" ads system so you can not place another ads from different ads network with this system.
8. Do not place google adsense ads on every page that contain prohibited item, link, or words.
google loves freedom, but he loves law more. if your blogs contain links that redirected to any file sharing provider, hacking website, pornography or anything else that violated their rule, you will be banned from running adsense on your site.
9. Avoid keyword spamming on your page containing google adsense
google adsense will display ads with exact keyword in your content. but if your content is poor enough to make visitors angry, google will shock you by closing your adsense account or maybe send your page to sanbox so be careful
10. Do not misleading labeling
it almost same as point number 6 :p