I always make my own binding. I use 2 1/2" strips and piece them together. The hardest part is sewing the binding to the front of the quilt if it is any bed size. My husband has to stand facing me when I am doing it and hold the quilt up so that it doesn't pull against the machine. You should have seen us when I was putting the binding on my older daughter's king size 20th anniversary quilt. I always finish them by hand. I can usually complete the task while watching a few TV shows in the evening.
I recently tried finishing the binding on a couple of Linus quilts on the machine because they will get a lot of heavy washing. That was harder than the king size quilt.