If you can save money on home renovations or supplies,what would you do?

Foggy state tax laws have created a dispute among home improvement stores and could be costing North Carolina millions of dollars in revenue.

Mooresville-based Lowe’s Cos. doesn’t charge sales tax on items like windows, carpeting, tile, cabinets, counter tops and appliances that store contractors install in customers’ homes. When customers buy the goods at Lowe’s for a do-it-yourself project, they have to pay the 6.75 percent state sales tax.

Lowe’s apparently stands alone in giving customers the tax break. The company’s main competitor, Home Depot Inc., and other home improvement stores charge sales tax on materials regardless of whether their crews install the goods for customers.