how can people be sucessful by adsense only?

[jully6686]

that is a big question, you must have more visit and you will earn more .

[prideseo]

I'm using Google Adsense myself and earning good amount of money.

[baccifinejewelry]

Other people are successful in adsense because they spend their time on getting traffic for their site. Remember, the more traffic your site has, the bigger chances that you can have more clicks.

[aaabbb]

Huge targgeted traffic = Huge earnings with Adsense

I know several people earning 40-80$/day with adsense
I myself use to earn 30$/day

Good for you. You let me believe that adsens can really bring in some money.