Some US states allow buyers performing trade-in transactions to save on sales tax. This is very similar to the automotive industry when someone trades an old car in to buy a new one. In those locations that offer this tax-saving benefit, the sales tax is only charged on the remaining balance of the trade transaction instead of charging sales tax on the full purchase price of the new item. This is only allowed in certain states and depends on local regulations. In order to determine eligibility, please enter your shipping address at checkout and taxes will be computed automatically.