Keeping your rental property maintained will bring you more money. You can make it a part of your total income or a source of income.
The common problems like: Paper Work, Delayed Rental Payment, Unverified Tenants, Damages Done On Purpose. But at the end every problem has a solution.
You can raise a rent by keeping few factors in mind: seasonal factors, risks, property renovations, personalised rental analysis and use of A I.