Starting a food garden is one of the most rewarding things you can do for your health, your wallet, and the planet. But if you’re new to gardening, it’s easy to get tripped up by common mistakes—many of which can cost you time, money, and enthusiasm. There’s a lot of conflicting information on the internet, and some downright wrong advice (like using eggshells to deter slugs), so knowing what works and what will sabotage your gardening efforts is important for creating a healthy garden that you can enjoy for years.