eventually I’d like to build a permanent primary residence for my family on this land, and convert the first modular home we would rent into an ADU.

State law varies on the requirements for an installed feature to become permanent.

Here in NJ, unless you're buying As Is, the seller or buyer has to be able to obtain a permanent (not a temporary) CO for the property as a condition for selling or buying the property.So if you're NOT purchasing as is AND the municipality is requiring that you get rid of the illegal living unit in order to issue the CO, then the seller must do what is needed.

There are also opportunities to set up your own second units on acreage properties -- normally by moving a used manufactured home onto a permanent foundation.  

My wife was able to permanently quit her job to stay with the kids.

I have a feeling this won't be enough to wipe the smell away permanently.

Moving, set up and permanent foundation cost2.Grading, New septic system, water hook up fees, new electrical set up, etc.3.

I am in permanent awe at how effective the US medical profession is at weeding out unreliable, dodgy, and dishonest people.

@Thomas Rutkowski– Tom raised the bar in ensuring I had all questions answered when it came to leveraging permanent insurance as a wealth accumulation vehicle@Ian Ippolito – for the great resource on passive investing that is his website@Steve Babiak – As a fellow local Philly investor, the knowledge and experience he has shared through his many, many posts are nuggets I’ve always appreciated.

I pulled records and it appeared that although his permits and designs expired by the time he was listing property, zoning stayed as C-P permanently.