Looking for your next real estate investment market? Don't overlook this gem of a city. : Co-Founder and Managing Partner at Freedom Real Estate Group helping investors retire sooner with income-producing assets. For years, markets like Memphis, Kansas City and Cleveland have been on the list of good turnkey markets to invest in. They have good cash flow and a solid infrastructure. But there is one market you don’t hear about often. Take it from this Ohio investor and turnkey investment provider: The Gem City, — Dayton, Ohio — is truly a hidden gem of turnkey real estate investing.