I leave the selvedge on my strips and use it to the very edge. When the seam has been sewn, you will trim off that seam, and most of the selvedge will be gone. The rest will be folded into the binding and will be completely hidden.
I do my binding ends like Tartan, but don't have to cut that little piece of binding to measure how far to cut the other end. I fold a triangle in the beginning end. The base of that triangle is where you cut the other end. Then the two ends will overlap exactly as far as the binding is wide. And the fold you made on the triangle is your stitching line. How easy is that?
This method works no matter how wide the binding is. The base of the triangle is always the width of the binding.