With this option, you always have a unit to use. We ship a new unit to you in a double box. The inside box has a prepaid mailing label. You take out the new unit, repack your old unit in the smaller box, seal it and give it to a USPS mail person. Your actual charge for this is $14. When we ship we receive a deposit from you, by a hold placed on your credit card, for $155.00 (the price of an EkaPad). When we receive your old EkaPad back within 15 days, we remove the hold, and your only cost for this program is $14.00. Price: $155.00 (deposit) + $14.00 (shipping). The EkaPad you receive is a new unit. Included is a new Cheat Sheet which is current for the upgraded software in the EkaPad. This program is only available in the USA. If you live somewhere else and want to exchange your EkaPad for any reason, please email us and we'll work something out for you. CAUTION: When we install new software, all Keeps and ShortCuts are removed; the registers are empty. Please make a record of your Keeps and ShortCuts; print out your Keeps and record your ShortCuts. You will have to re-enter them into your new EkaPad. NOTE: Upon receipt of your old EkaPad, we will empty the Keep and ShortCut registers by Resetting the EkaPad. Prior to shipping, to removet any private information you may have in your old EkaPad, Reset it yourself (this empties all the Keep and ShortCut registers). Chording to Reset: Config + r