Use automatic to pay

Sometime, I forget to pay off my bill due then I got late charge.
So, the best way is to set up automatic payment through your bank or credit card.

Free money from Google

When you sign up Google Checkout, you will get $10 for sign up.

Coupons

Don't think a small coupon can not save a lot.
But, it will help a little by little. After a year, you may find out it can save you more than a hundered.