Stuck in a contract with a wireless carrier that just doesn't work for you? Suffer no longer. Cellswapper makes is possible to walk away without having to pay an early-termination penalty, which can range from $150 to $250 depending on the carrier. Once you've registered as a user on the site, you can offer to turn over your own plan to someone who needs one on a short-term basis or browse for a new one to acquire yourself. Many swappers offer incentivesthe old phone, accessories, cashto sweeten the offer. You can post your plan for free and pay a $14.95 transfer fee, or pay $9.95 upfront and get more prominent placement for your ad. If you take over a plan that was posted here, you get a 25% refund. (Some carriers require a visit to a store to complete a transfer; others will do it over the phone. Be sure you tell the carrier before transferring if you want to keep your number.) The average time it takes to find a buyer, according to the site, is three days. The main site is for U.S. customers only, but now Canadians can get in on the fun too.