The shed is to be 20x10. One 10x10 bay for wood, and one 10x10 for storage. 6posts.Well, you’re going to earn them for sure. Dang, I shouldn’t say anything but I probably would have used those limby cuts for the support beams and kept my clears for the rafters but that’s just me. I’d consider doing 2x8”’s if it’s much of a span . Be careful on those and take your time