Brian: I have the same problem trying to convince people to use marine grade or automotive grade vinyl in their car interiors. They all say "but this was a close out and only $6 a yard". My next question is: "do they have more if you make a mistake?"
I never use anything that I don't know where it came from and if I can get more. This is even more important with leather hides. I never use close-outs of leather, either.
I sure am glad there are no fish eyes in upholstery work!
No one lives forever, the trick is creating something that will.