It sounds like you have an un-permitted unit, which is essentially always a risk since there has been no notice to the AHJ that it exists and they can therefore initiate a code case to have it removed in most cases.

Title III of the ADA requires the removal of architectural barriers in existing facilities unless it can be shown that removing the barrier is "not readily achievable."

The first closed shop 2 weeks into my mentorship and stole my money and removed all of their content from online.

To add value to the property, we undertook extensive renovations including the removal of over 40 yards of trash, installation of a new septic system and wall-hung boiler, and a new well pump.

I'm considering new floors, fixtures, countertops, windows, removing popcorn ceilings, etcetera.

As a PM myself (in California) I take pride in my leasing contract and screening process because that removes so much headache in the future.

Removing it cost us an additional $5k over our estimate.  

But terminating a lease and require removal of a tenant must go through the EVICTION process if the tenant is not wanting to accept moving.  

Removing all skills from the equation, if you don't take a break from participating as a real estate investor in some way each day, you will stay far ahead of everyone else who keeps subbing themselves out and then asking to get back in when the game is already out of reach.

For larger properties, some of our clients run another cost segregation study at the time of sale.2) Partial Dispositions - Taxpayers can carve out and dispose of components removed or demolished from a building.