AdSense will be great for his website if he places his ads on the right places. A lot of people place the ads on the wrong places and just wait for the money to roll in. Anyway, Id totally recommend him to start using adsense.
Go ahead, you gotta try it before know the result Other people all just telling you based on the "estimation" or "guess". Without trying or testing, you will never get the data and know the result
Thanks for the help guys! I´ll see if i create today my account at hostgator (i´m searching for plugins for wordpress right now). Do you guys think it would be a good idea to try using some ptp (paid to promote) too? I saw some really bad stories about malware from ptp, google blocking the website, etc.