Start with Renting vs. Buying a Home: The 5% Rule (11 min, Ben Felix), then Renting vs. Buying a Home: What People Get Wrong (19 min, Ben Felix). All 500 lessons here are free, from the teachers' own official uploads. You'll need lockbox, laser measure, phone tripod with remote (about $95 of kit). The book to keep beside you: The Millionaire Real Estate Agent by Gary Keller.