With recent surprises in item management and girl happiness, I've had the experience of going through 40 or girls and tweaking each one's house % and accommodation in an attempt to cheer some of them up. And then do it all again, in reverse, when I started to run out of money.
This led me to think that it would be nice to be able to set a global default for accommodation and House%. Maybe on a per-brothel level. It would be nice to be able to set all girls, set the value for those not explicitly changed, and change the default value for new arrivals.
Not a major thing, but it would be useful.