Gas stations tend to raise prices at a certain time every day, and if you can get to the pump before that two-hour window you'll be able to beat the price increase. Oh, and the best day of the week to buy gas is not today.
I'm not sure how the money flows at your place but things are a little tight at my house, just after Christmas.
You have to bounce back from the overspending somehow, right?
I think that guys are better at sticking to the budget. If I can't touch it, I simply don't touch it...