Any one tried https://www.hemlane.com/ to manage new construction out of state rental property.

3) Are there any good sources for buying construction supplies for a small but growing company? 

You also cannot do a Cashout Refinance in Texas through FHA, which would allow a singlewide.You may be able to accomplish the majority of what you're looking to do through a Construction loan (pay off land loan, fence, generator, well house, potentially even some renovations to the mobile homes if listed as Accessory Dwelling Units), but you mentioned not being ready to make the move on new construction on the property yet.It may also work as an FHA 203k Renovation loan, but these can be extremely cumbersome and expensive to close.

There may be some local factors (nearby construction development or major change) influencing the owner to sell at a discount OR perhaps the owner has not been keeping up with capital improvements and the tenant base as suffered and therefore actual collections of rent have been impacted.

My 2 cents in self storage is that you should really do your homework with current construction costs for this product type.

New construction is pretty expensive right now so I'm trying to run #'s to see if it makes sense.

You'll have to become an expert at finding and converting motivated sellers + an expert in analyzing deals (including construction and acquisition costs).If you want to eventually get into buy & holds, I'd start there... you can start with a low-down-payment owner-occupied househack, multi-family or other rental property deal.

I need to say up front that construction questions aren't my strongest skill set.  

If you're more interested in the in-fill scenario, maybe buying an old manufactured home on land and building a new spec home, then it's less the development issues above and more construction costs etc.

The idea that you are going to pull off a BRRR without owning a construction company or being a GC while using barley any of your own funds is more dangerous than lucrative.