Keep egg shells in open container in fridge. When the container is full, crush shells into small bits and sprinkle them around base of your plants. Sharp eggshells will deter slugs, snails other bugs & adds touch of calcium to soil.
DIY Mini-Greenhouse: Grow seedlings in recycled containers as Any clear plastic container will do. Use paper towel rolls or toilet paper rolls as a pot. When ready to plant, simply place the whole roll in the ground and plant.