Before you can buy anything on eBay, you need to be a registered user. First of all, go to ebay and create an account for yourself. You need a working email and must be 18 years of age or older. Once you receive your confirmation email, you're all set.

There are a few tips to keep in mind when shopping for a Wii Fit on eBay. First, watch out for over-inflated prices and shipping costs. Some sellers will try to gouge you with either the price of the item, or by inflating the shipping price to make up for what they are not getting in the item price. Consider what a fair shipping price would be for a Wii Fit (shipping weight 10.09 pounds) …and any additional accessories that may be accompanying it.

A shipping price of $20 - $30 may not be excessive. While prices have dropped since June 2008, auction prices for the Wii are still averaging $30-$60 above retail but think about the amount of time saved from driving all over town hunting for a elusive Wii Fit. Buying one on ebay for the right price might be worth it. Of course, if it is excessively above retail, run, do not walk, away from that auction.

Check the seller's feedback. Read negative and positive feedback, and pay attention to what kinds of items they have sold. Read the item's description carefully. The more detailed it is, the better. Make sure you are clear that they are selling a Wii Fit balance board and not some variation, like a "bundle" of accessories for the Wii Fit. Make sure you know what comes in a Wii Fit box so you don't get shortchanged. What you should get is the Wii Fit balance board, batteries, and the Wii Fit game disk.

While most sellers and buyers on eBay are perfectly legitimate, it is unfortunately our responsibility when shopping there to do all we can to avoid being taken by a scam. This is especially true with highly sought after items and electronics. The Wii falls under both categories, so be cautious.

Once you are sure you're getting what you want, you can bid by clicking on the Place Bid button. With the shortage of Wii Fits in the United States, if you end up paying a little more than if you happened across one at the local Walmart or game store, it may be well worth it as even the Wii Consoles are still really hard to find. I expect the Wii Fit will be one of the hottest Christmas presents this year and don't be too surprised to see the prices go up this November and December.