About one year, whenever i had amassed 26 houses, I was having problems with roughly 10-15 houses and/or tenants 7 days.
Just download or "export" a copy of your list 1 week for safekeeping. The beliefs, points of view, and opinions are decisions that you make, a notion that you own. https://www.youtube.com/watch?v=01rQJuJLyUM