Rain gutters quietly protect your home from water, channeling storms away from foundations and siding. This guide unpacks types, materials, sizing, and upkeep so you can choose with confidence. We compare shapes, metals, and accessories, and explain installation basics without jargon. Expect practical tips, cost ranges, and longevity insights grounded in real-world use. If you want dry basements and tidy eaves, you’re in the right place.