you can try two options. One use your 50k cash and invest it in REITS Stocks with high dividends 10 percent, Pandemic right now a stock prices are at a fair value. With that said you will get cash flow with the dividends plus stock value. I suggest you look up best REITS on google finance. Plus FEDs are buying corp bonds left and right.
Option two invest in a 40k cash house 10 k use for emergency rehab, I would look at cities with best low unemployment rate. You'll have to invest in a good property manager and a good credit check agency. Also, look at what are the regulation in the city that you are interested. Regulation will hurt you cash flow or investment funds. Cities like Reading P.A have many houses 35-80k but they have 2 years of city inspection and they love to crack down on landlords. Plus the city have a high unemployment rate...
I would pick Option One investing in REITs or a good stock like McDonalds can give you a nice dividend investment. The liquidity is far much easy to get out if you cash flow has sunk than in real estate value of 50k cash.
Have this in the back of your head the cheaper it is the more cost you will have...