This is a great article with finance basics that we can all use as a refresher.

Here are just a couple samples:

Avoid the 20% "Fool's Tax"- Don't Buy a Brand New Vehicle. As soon as you drive a brand new vehicle off the lot, it's value drops 10-15%. Depending on the make and model of the car, the depreciation will continue to drop an additional 10% by year's end and each year after for the next two years. By purchasing a previously owned or leased vehicle either a year or two old, you'll still have a quality auto with available warranty while letting someone else take the major financial hit.

Never, Ever, Under Any Circumstances Take a Cash Advance on a Credit Card. Not only will you pay a ridiculous interest rate on the cash you withdraw, you'll pay fees- and interest on those fees- for the remaining years on your new, giant-sized, credit card balance.

Read the other 44 Things I Wish My Mom Taught Me About Money