The listed price does not include tax. The price including tax will depend on where you buy it. Sales taxes are charged by state and in some cases local governments so different states and some cities have different tax rates. Large cities (where visitors tend to go) generally have the highest sales tax rates (10%+) while other areas of the country have no sales tax. US sales taxes are not refundable or avoidable based on your citizenship or residency but depending on where you live you may be able to claim a deduction or credit for foreign taxes when you pay your taxes in your home country. Talk to a local tax professional to see if this is possible. You will probably need to provide proof such as your sales receipt to claim this.