Shop once a week:
The more trips you make the likelier you are to buy on impulse. About two-thirds of purchases are unplanned.

Bottled Water:
Stop drinking bottled water and instead buy a filter for your faucet. Could save you up to $20 a month.

Save Gas:
Keep tires inflated properly. Keeping them properly inflated can improve your mileage by about 3%. Also keep your trunk, an extra 100 pounds in your vehicle could reduce your miles-per-gallon by up to 2%.

ATM Fees:
Use only your own bank's ATMs or skip the ATM and get cash back when you're paying for groceries with your debit card. At $2-$4 a pop you could save a lot of money over a years time.