But the fact of the matter is that there are many non-rent fees and use restrictions that can have a significant economic impact on a commercial tenant.

It would be soul crushing to me to lose friend's or family's money and even if I didn't it can negatively impact all future interactions.Plus it gets so complicated to figure out who owns how much. 

I would be at the city or county office asking about flood plains or environmental hazards in the area.

The father is asking to be removed from the lease because he is looking to buy a secondary property and is concerned that having the lease in his name will impact their debt ratio/monthly liabilities which he believes will affect his mortgage possibilities.

The LAND value portion is sometimes split out, and that may be accurate, if you account for possibly having to raze the structure and start from scratch.Another big risk with abandoned property is environmental contamination.  

This is on top of permitting costs, impact fees, affordable housing fees, and plan review costs. 

2- When you buy in a particular market, how does a market on the other side of the country impact yours? 

Them not getting along with each other has direct impact on me doing my job, for example, now I have to individually inform all roommates to make sure I can come by next Tuesday at 10am to do some repairs, because Brenda doesn't talk to Doris anymore LOL.I do understand these things could happen in a family too, that a couple could have marriage issues and have fights and I would have the same drama, but yet over the years I have never had any drama when renting to a family, whether it is a couple with or without kids, sisters, BF/GF etc...may be it's just luck.The latest is the annual lease is up. 

How Working Remotely Will Impact the Future of Real Estate?

The 15 year isn't bad because of the smaller investments I'm currently dealing with but the bigger i go the more it will have an impact.