One such opportunity that has recently caught my attention is mobile home parks. Look at the past year of bank statements, all contracts, the rent roll, all signed leases, insurance policies and all utilities information. As with any investment, due diligence is critical. A huge expense for multi-family properties is tenant turnover. Establish a relationship that could then lend itself to future funding. Outreach Go beyond the LLC and connect directly with property owners. I began buying rental properties and flipping