what is the rule? adsence account

[totalscore17]

Is there a rule,
max $100 e.day
only allowed to use your adcense account wuth 20 domains/ ip?

I am asking because, i am looking into a small investment,
Just build small sites with some adcense earning, how many am i allowed to earn from etc?

Cheers boys

 

[Donnie Darko]

No limits really. However, when investing, keep in mind the good ol' saying "Don't put all your eggs in one basket".

PS. It's AdSense