Hey, this game is pretty fun!
I didn't encounter any of the bugs that other people were mentioning here, but I do have one suggestion.
Having the game remind you that rent is due soon would be nice. When I was playing, I was passing through the days pretty quickly, and before I knew it, I suddenly got a game over due to missing my rent.
That probably wouldn't have happened if the game let me know that I was about to lose at any point.