Building Repair Fee
For an individual room, repair or reform plans already exist but for a whole residential apartment, the owner need to map them out and prepare by himself. Hands on repairs to increase the value of property has impact on occupancy rate of the building.
There are many types of repairs such as roof water proof coating paint, piping fix, termites extermination, cleaning/reforming room after move out, replacing small equipment and so on.
You should set aside some repair reserve fee from monthly rental income for sudden accidents.
Costs for these repairs vary from a couple 100,000 to millions.