I don't usually like ripping fabric as it does damage to the fibers around the rip.
I never thought about ripping lengthwise for borders - It must be difficult to rip lengthwise since fabric is supposed to be stronger along the length instead of crosswise - is it harder? Is there a special way to do it?
I have a piece of backing fabric that I have to cut borders for a king size quilt and was thinking that it may be difficult to rotary cut the long strips.