Duty-Free Retail Market Research, Developments, Expansion, Statistics, Alternatives & Forecast To 2030 Get more info: https://www.stellarmr.com/report/Duty-Free-Retail-Market/1151 Duty-free retailing is the practice of making purchases at stores with no sales tax at airports, ferries, and cruise ports. To avoid paying taxes at foreign borders, visitors and tourists frequently shop at duty-free retail stores.