Strip piecing is my favorite way to piece but everybody has to figure out their own ways of doing things. All I can think to tell you is that you should buy a bit more fabric of each in case your cutting the strips smaller leaves you getting less portions per strip than the directions call for. My only quilt using flannel (and I was pretty experienced by the time I tried it) stretched to pieces and was annoying to work with....Good Luck---and I hope you don't have the same problems that I had!!!!