I think that they are the scammers , I was literally gone for 2 days , the next door neighbor saw them but didn't saw anything they did tell me it was 4am tho , so I know they are the scammers, I have a permit for some electrical work so other than cutting the power I'm a loss , I think I'm just going to show up with the police at 7am and cut the power and go from there

Would you permit the tenant to squat in the property over the entire summer with no electric.

The suite is a fully permitted converted garage (this was done decades ago) with a permitted utility room, and separate door to backyard.

Since a building built modularly has the same permitting process and certificate of occupancy requirements as a site built project I do not imagine the appraisal value will be different.

And that's just some of the planning stage.I won't even get into the 25 or 30 different permits you'll be required to obtain, their costs and their impact on your budget.Now think about the Federal regulations that are in place from Wetlands to Flood Plain Issues to Storm Water Management to National Pollutant Discharge Elimination Systems to Erosion Control during the construction/development phases.

Like Al said, the beauty of Self-Storage is that it is SELF-STORAGE - DO NOT keep a key, or permit yourself to have access - otherwise, you create a bailment (liability) and you negate the protection of the lien laws, which permit you to lock them out, and auction their stuff off if they don't pay. 4.  

Does anyone have advice as to how far away to stay from specific addresses that signify past permits to fix sinkhole, or potential ground settlement, issues.

Include copies of the liens if you have them and the cost it will take to rectify the landscaping and tear down the un-permitted patio if its unsafe as well as other key house components that might not be obvious.

I'd look for something without such a funky original layout, lol (the addition we added for the new kitchen tacked significant time onto the project, waiting for the winter weather to break so we could dig the foundation, permits, inspections, etc.Also, I financed it via a local HML. 

Are you talking about a little metal shed you can buy for a few hundred dollars and build yourself, or are you talking about an actual structure with a foundation (a structure you'd have to get a permit to build)?