I used to own a small business and made window treatments and did wallpaper. I had wholesale accounts. You would not believe the number of people who called, had me do estimates, select from my catalogs and order by phone from a well known company back on the east coast. Then, they would call me to do the fabrication or hang the wallpaper. My solution was to charge one price for labor for people who bought product from me and a higher price for labor when they had purchased elsewhere. Yes, a significant number of people 'work and abuse' the system. I try to support my local LQS and buy whatever I can there.