I'd say batteries.
They are often less expensive.
You usually buy gas less often. That's about it.
You usually buy gas less often. That's about it.
The way to get it the least expensive is to buy in bulk - 10 pounds or more at a time is your best bet, and order less often.
It depends on the size of the array. The ones that you buy for your car are often limited to a single watt or less.
You can buy less expensive refrigerators at sears, or Home Depot.
You can buy a 3 month Xbox Live subscription from online stores like Amazon and eBay. You can often find these items for less money online. You can also buy them at stores like Best Buy.
Hopefully it has less wear if it was maintained properly.
Every printer needs cartridge ink in order to work properly, but the ink can often be so expensive that it is hard to buy. However, there are some ways to pay less for the cartridge ink you need. Consider visiting a wholesaler to buy the ink in bulk, especially if you use it often for work. Otherwise head to an online retailer that will sell you the ink for less than your local office supply store.
raised/less
To save money.
Teens often need cars, but they are not the best drivers. A used car will be suitable, cheaper and less costly to insure.