Diy Compost Bin Easy . Using a driller, create holes in the cover. Drill holes attach the paddle bit to the drill. 15 Cheap And Easy DIY Compost Bins from www.diys.com Add a base of chicken wire if you are worried about rats getting in. Including the bottom and the lid. It can be the mixture of coffee grounds, fallen leaves, veggies, tea bags, cardboard, egg boxes,.