Business OverviewPurchasing secondhand furniture at auction sales, garage sales, from classified advertisements, and estate sales is the starting point for opening a used furniture store, or reselling secondhand furniture right from your home. There are a great number of benefits to starting a business that sells secondhand furniture: No special skills or equipment requirements. Relatively low initial start-up and monthly operating costs. Great profit potential, as used furniture can be marked up by 100 percent or more. Very little in the way of government regulations beyond a business license. Proven stable and profitable retail industry.