where can i buy a online gift card to fund to play online bingo?

i was told but that won’t work i.m a us citizen so need some way to deposit

Can I return something I bought from and still keep the bonus online $100 gift card?

I bought a PS3 online and in doing so earned myself(or a friend) a $100 online gift card. My question is, let’s say I return the PS3. Do I still… more