By doing this 1031 exchange they will indefinitely defer paying the tax on the profits. 

But in any event, that trade-in value will be WAY BELOW top retail dollar he could get if he could afford to list it on cars.com and wait indefinitely to get a top dollar on well maintained, reliable car of the same size and year of make.   

You cannot extract from it indefinitely; there is a limit to the number of properties you canpurchase in this manner without paying back into the life insurance which does not exist on a true 100% LTV. 

I hope someone can direct me to the specific code that limits cities from keeping a unit Available for Rent indefinitely.

Location in definitely key....any where a hospital makes a huge difference.  

Now they’ve said they are holding for an Indefinite amount of time and since then they’ve stopped responding to me and email once or twice a year with corporate speak that says nothing useful. 

This is actually a problem - since now you are treating them as one activity, they will carry forward indefinitely. 

I don’t have an immediate need for the equity transfer but it seems like the right thing because mobiles are so hard to leverage and I don’t want this new property using up all my equity indefinitely. 

We have a dozen or so properties there, that are without water indefinitely, perhaps as long as month.Of course, that's small change compared to the utter destruction and loss of life.  

I don't think the seller of the 6 plex will wait an indefinite amount of time for me.