4. Providence, R.I.
2018 condo home value: $209,900
Rent growth: 18.8%
Rental yield: 10.9%
One of the best cities to invest in rental properties if you’re buying a condo, Providence rents have rocketed up nearly 19 percent in the last year. The $1,900 median monthly rent will give you a $22,800 gross operating income for the year.