If you have a low risk tolerance or don't want to deal with housing authorities and tenancy issues, jumping into those investments can be a nightmare.Since you mentioned someday starting a business, ask yourself if the day-to-day grind of managing properties - from buying, to rehabbing, marketing, tenant selection, rent collection, maintenance, or selling - appeals to you or if you simply like the idea of having multiple types of cash flow (lump sum in a flip as well as long term monthly rental income).