I have heard of thermostats that you can install that have a minimum temperature setting (say, 50 or 55 degrees F) to automatically turn on the heat even if the tenant doesn't have the heater on, and we'd like to put those in to prevent frozen pipes. 

@Harrison Chow I appreciate this advice, it truly helps put things into perspective and give a more clear understanding.

But worms are so difficult to put on a hook, so here comes a clever dude who invents a machine that easily grabs a worm and hooks it within 1 tenth of a second.That is great, BUT you CAN'T catch this fish with worms.

How would you put a price on "free work"? 

CAP rate (how many real actual dollars you put in your pocket every year) and wholesale (value of the property and wholesale value of the trailers). 

In the rental calculator do I put the current market value as the purchase price?

Or, your sellers could consider syndicated deals put together by reputable real estate investment firms that would allow the sellers access to income-producing assets that are professionally managed.  

I utilized the pandemic to make HCOL wages in a LCOL area and am trying to take the delta and put it into something which generates cash flow because my retirement is essentially fully funded. 

Embrace the 9-5 but make it a 7-7, the hard work you put in those formative years will let you later look back and reap the success.

Got a HELOC on my primary residence and put some additional cash into the investment to customize it.