Paying a management/service company is risky, as they can raise their prices by silly amounts or demand extra money on top of your contributions
License to print money.
Have you bought a new house and do you know how it works? I have bought two now. Once the developer goes or after a specific contract length, the residents can usually choose someone to be a company director for this sort of thing etc. and choose their own management company.
The OP's Estate must be getting maintained somehow.