This change improves privacy and minimizes unauthorized access, but it's essential to consider local building codes and regulations, as many jurisdictions require safe egress routes for basement units in case of emergencies.

Appreciation for the most part is non-existent unless you force it w/ improvements.  

We have a work instruction we have made for our business which has definitely helped my wife and I become more consistent in our approach which has also improved our results. 

If you can do 1 project 100% out of pocket or potentially 3 projects with liens from a lender then you're giving yourself a better chance with the three.

I'm sure the people that felt they were losing chances at money started crying, real estate brokers, stock brokers, business brokers, lawyers and they had their lobbyist go to work at various capitols passing laws to steer the money back to them. 

Its referred to as a 1031 improvement exchange.

If you happen to fall under category 3, chances are you will hit a home run and out perform LP investments in syndications by a wide margin.

I know this is hindsight, but when you took over the property, you should have given her a new rent and lease or moved her out when you had the chance.

If there are other three units nearby with the same configuration, you have a chance, but the costs will still be there.

Now if these are duds with no real chance of appreciation then a sale is probably warranted.