We do the house and office of a massive nurseries.
The father asked me about us doing the job, the son said how important the extra light meant to growth, hence money.
However, I talked with the father and recommended he get a commercial supply of pure water and explore things like the robot that cleans the pyramid in the Louvre in Paris.
We prefer domestics, lots of different people to talk to and no waiting for money or big bad debts.