Looking for ways to gain a competitive edge? Do you want to add lucrative services to your business portfolio? Hard surface square foot billings can be double what you get for carpet cleaning. Image the doors that can open when you can offer driveway and walkway cleaning, tile and grout cleaning, or commercial garage floor clean up. Hard surface cleaning is one of the fastest growing and most profitable segments of the cleaning business. As tile, stone and concrete installations become more and more popular in homes, businesses and facilities, the opportunities for cleaning are expending rapidly.