Here are some tips to buy online and save money at the same time:
Search for a popular/trusted online store. There are hundreds today in Intetnet, so doing a little research can find some of them. Most online auction stores requires you to register as a member to bid and buy online, but registration is usually free.
Searching for an item you want to purchase by entering the name of the item into the auction's "Search" bar. You will see a list of items to browse through. The more specific you are in your search request, then more focused the list will be.
Filter through the list of matching items and find the lowest prices then compare this price to the price you would like to pay for the item at any real store. Some auction stores will allow you to purchase any item right away at a buy now price, but to get the lowest price you usually have to place a bid on the item.
Decide what price you are willing to pay for the item. By offering a price that is below what you would pay in a retail store you are making an attempt to save money. Your bid will have to be higher than any current bid, or minimum bid price, so be sure that you are still getting a low price after meeting these standards.
Place your bid and monitor the auction. Most online shops sites will give a time and date when the auction for any particular item will close. If you are the current high bidder at that moment, you will win the auction for that particular item.
Pay for the item you won by following the payment instructions provided by store site you chose. This is all. You have just purchased the item you wanted, and saved a some money, all without leaving the comfort of your sweet home.