permeable patio with concrete aggregate pavers & cobbles/river rocks for water drainage in backyard garden . too much concrete in a neighbourhood = flash floods and drainage problems all over, not just in your basement
keep shells in open container in fridge. When full, crush shells into small bits and sprinkle around base of plants. Sharp eggshells will deter slugs, snails, and other bugs from nibbling on garden and add touch of calcium to soil.
Long ago, I ruined some shears through improper sharpening techniques, learn the right way to keep this important garden tool capable of making healthful, clean cuts. How to Sharpen and Clean Pruning Shears