I thought they were all expensive too. I ended up getting 2 sets of white cot sheets from Spotlight on special for about $10 each They have the fitted, flat & pillow case. I didn't see the need for the pillow case or the flat cause I just put the fitted on. We ended up cosleeping anyway so they weren't really needed BUT dh made a bed frame for the mattress we bought ds so that it was just off the ground and it's a double in size so the cot mattress is used as a head for the bed frame if that makes sense? So the fitted sheets are still getting used and will be for years to come lol When I was finding it hard to find cheap sheets I also thought about buying some fabric and making them as I also wanted bright colours which are nearly impossible to find (other then ebay but they are expensive) I got some really groovy rainbow fabric which was never used in the cot, instead I put it over the change table as a cover