Which making money method for my site ?

Hi there,
I have a site clone from FamousBirthdays .com, here it is : famousStarBirthdays .com
site unique visit perday ~ 600 all from organic USA and still increasing.
I only know that i put amazon banner affiliate. I don't have an adsense account.
So which method for my site making money ?
If i sell this site, how much it will be ?