Renting out a spare room can be one of the simplest ways to ease financial pressure, meet interesting people, and make better use of the space you already have. But if you’ve ever thought about doing it, you’ve probably also wondered: How do I find the right tenant? What should I include in a lease? How do I avoid awkward situations or horror stories? Roomer Mill is a practical, step-by-step guide for homeowners who want to rent out a room without turning their lives upside down. Written from real experience hosting mid-term tenants, this book walks you through the entire process—from preparing the room and pricing it fairly, to screening applicants, and maintaining a healthy shared living environment. Rather than focusing on real estate investing or maximizing profit, Roomer Mill focuses on something just as important: creating a living arrangement that works well for everyone under the same roof. Inside you’ll learn how to: Decide if renting a room is right for your home and lifestyle - Set up your space so it feels comfortable and private for both you and your tenant - Price and market your room to attract responsible renters - Screen applicants respectfully while protecting your household - Create clear house rules and rental agreements - Manage finances and basic tax considerations with simple systems - Handle renewals, transitions, and the occasional awkward moment with confidence You’ll also find real stories from hosting experiences—small lessons learned that can help you avoid common pitfalls. Whether you’re an empty nester, a homeowner with an extra room, or someone simply looking to offset rising costs, Roomer Mill offers a clear, approachable path to sharing your home with confidence. Because sometimes the best opportunities aren’t in buying another property—they’re already inside the one you have.