Prank is correct ... at your age (your prolly older than me but I moved outta home, got muh Sky and started working fulll time a while back ) you'll find that theres soon to be many more places your money will go .... Off the top of my head I know each week I have money going to rent, fuel, dining out 2-3 times a week, going out on the weekend, girl expences :x , clothes, the list goes on ....
$50 won't even pay for you own food if you eat out somewhere nice, let alone pay for the girly your with
as for you George, stay away from my parents dammnit .... piggy backing is not cool for those over the age of 10 ....