As a side note, there are tempting homes on Chateau At Antelope Ridge that appear at first glance to have good prices and rents, but be aware they are actually manufactured/modular homes that have a $500/month lot rent If you do the same criteria search in Denver: 0 currently active with the closest match in Keenesburg, CO.

Just to give you an idea of how rural it is, the closest movie theater is about 2 hours away and theres no walmart.

It is one of the best markets closest to NYC that is affordable and yet you can make a nice income. 

Assuming your kids did not drop the ball on something (perhaps they were supposed to make the request in advance of moving in) I would say their unit should not be considered useable and they should not pay rent. nothing in this situation sounds legal, and if the landlord refuses to give them credit for days they could not use unit, they should seek legal action. many jurisdictions have free or reduced priced legal aid for tenants in landlord tenant disputes. they should also probably consider moving into a new place, as this relationship can only go down hill.

These big boys rather deal with brokers who have clients then have clients directly, believe it or not.One of my closest friends work at one of the big boys. 

Interacting face to face will help tremendously with forming those critical relationships to aid your progress.

Not only is the general influence bad amongst lousy friends but a Recent study concluded your closest friends and you will all have virtually the same income levels . you must pick people on the same path as you or they WILL drag you down emotionally spiritually and financially 

Closest ones to you would be the Boston Area REIA (Just changed locations to Medford) and the Black Diamond REI meeting in Waltham run by @Ann Bellamy .

The closest water line is several miles away...

Personally, I am not in a strong 55+ state, and the closest I come is my parks in southern Texas.