#1 Your Property Will Be Damaged: Tenants will not care for your property in the same way you do. That means, there will be damage. Way more than you ever expected. Prepare for it. Have a fund available for major fixes. Put in effort to do preventative maintenance because your tenant won't.
In order to meet skyrocketing rental demand, investors are building single family residences. Development increased by more that 6% since last year, totally more than 36,000 houses for rent in 2017. This is the largest number of “build-to-rent” houses completed in any year for at least the last 14 years.