Need help on Farmville and Cafe world on facebook?

Farmville:
1)I found a lovely pink cow looking for a home, but is there a way i can adopt it myself? =3
2) Whats the best way of making money? (currently lvl 13)

Cafe world:
1) at what level can i buy more stoves?
2) whats the best way of making money?

Thanks in advance, i will choose a best answer!