Ideas
I moved out my sim/landord family. Moved out all tenants that seen actual Sim bodies/names. Sold the building. Assigned all rooms to the 3 Home Unit (red unit outline).
Tried to bulldoze the lot, but it won't let me because it says there is a tenant.
It is still showing the 1 Rockside (blue unit outline), and the 6 Glitched (yellow) units, with the yellow unit saying it's currently occupied, yet I just can not see anything that is outlined in the yellow unit outline. And it apparently is saying there is still a unit with the blue outline!?!? The blue outline however can hide/unhide as there is no tenant apparently.
Also, I can not delete the blue outline unit. In the Lot Info Panel, it gives the delete trash can icon option, but when I click on it, it does nothing.