I don't cut down my yardage either. I store my fabrics in clear plastic bins and I have one dedicated to lengths that are at least 3 yards long. Oh I dip into it for projects but as long as the remaining piece is at least three yards long, it goes back to the bin. If it is smaller, then it goes in another bin according to color. It the remaining piece is less than1/4 yard,I either cut it in 6" or smaller if it is truly a scrap. This all works for me. Develop a process that works for you which is what I think you are doing. Happy Quilting.