I made this bed skirt for a nursery, and the cost was under fifteen. I'm not sure of the exact amount b/c some of the fabric was from other projects. I originally was going to go with ruffles, but....it's for a boy, so....I just gave him a little row of polka dots....and left the rest solid. I didn't want to receive therapy bills later, I'm a teacher. Anyway, I asked his mama for the dimension of the bed (52 by 29) and I cut the white piece of fabric to that size. The drop from the mattress to the floor was 17 inches so I cut about 5 inches of the polka dot and 13 inches of the blue. Sewing them together I ate up half an inch attaching to the white, and the other half inch attaching the polka dot to the navy so that it would hit at the right length.
I left the backside without any fabric b/c it's against the wall. The whole bedroom shebang coming shortly.