The one-time purchase that has saved me the most money EVER has been my Toyota Prius. It's a hybrid car and the gas mileage is AMAZING! So, with gas prices soaring out of control, I've saved a TON of money and only have to fill up every few weeks, in spite of the fact that I do a lot of running around to work, shuttling kids, etc.

In fact, I just drove from LA to Nevada this past weekend (almost to Vegas) on less than half a tank of gas.

I love my car. I've had it 3-1/2 years and wouldn't trade her for anything.