The husband follows my husband around, and the wife closely trails me throughout the house.

There may be something called a "Due On Sale" clause.Check and see if all tax parcels are included in one mortgage or if they have separate mortgages.You have to have him spell out what he considers to be a "partial seller financing".

Weigh the long-term benefits of the low mortgage rate you have versus selling and getting $500k from a sale exempt from capital gains tax.

I’d simply ask in what situations where the broker and the brokers firm did nothing to facilitate the sale do you think you should get paid a commission?

Why not test the market by putting the lots up for sale, and if nobody bites, that might provide your answer. 

Try to stay close to the median home price for that city. 

@Jared CarpenterPhoenix is a strong market for home sales and the competition has been pretty strong for the last few years now as the markets have recovered greatly from 5-6 years ago.

As for the third target market, Sacramento is close to you, it's a state capitol, relatively inexpensive, two major universities, great local culture...

They get the sale and its not any harder than finding a home for a retail buyer. 

...and the account is closed.