House hacking is the clearest path I know for lowering your living costs while learning to own and operate real estate. You live in part of the property and use rent from other units or rooms to offset the mortgage.
Start with the right structure
Duplexes, triplexes, fourplexes, room rentals, and accessory dwelling units can all work. The better question is whether the rent supports the total ownership cost after taxes, insurance, repairs, and vacancy.
Read What Is House Hacking? for the full beginner framework, then run your target property in the Free Deal Analyzer.