SLAP.... SLAP.... SLAP..... Get a hold of yourself.
The only sensable way to purchase an expensive graphics card, is the way I did it.
Firstly, dont pay any bills.
Dont buy luxury items like food.
To avoid starvation, visit your relatives around Dinner times. And DONT be shy, eat as much as you can as fast as you can.
If they say "are you full now" explain that you haven't eaten for a couple of days and that a doggy bag wouldn't go amiss.
Water, whilst tasting crap does save on Bottles of coke etc.
Do this for as long as necessary, Hopefully before they cut the electricity or make you and your new graphics card homeless.