@Josh GoldIf you haven't read David Greene's book on out of state investing, that might be a good place to start.https://www.biggerpockets.com/store/long-distance-real-estate-investing-ultimateFirst hurdle you'll need to overcome is the need to self-manage.

Yeah, there is an attic and a locked closest, so we could store them right in the house. 

Maybe you could rent furniture short term?

Without the demand for climate storage and another big box stores, and with multi-family redevelopment of these buildings likely being too expensive to be profitable, does anybody have any ideas (or better yet examples) on how to take advantage of this large onslaught of vacant space? 

Search sites - Mobile home park store, CREXI, loopnet, Occasionally you can find one in Craigslist You can buy lists of parks from ListSourceReonomy is a subscription site to search properties and owner info.

Can you give them the credit card and have them run it like at a store, no.Could you get a cash advance and use that Cash, yes.  

I am buying a substantial amount of furniture for the unit and I am wondering if all of these things (beds, sofas, TV, nightstands etc) will be a tax write off?

For example, someone wanted me to list a commercial property that included a restaurant, two additional stores, a residential rental, and two small houses that could be used as office space.

If there is a well house, tenants are tempted to store chemicals and oil near the well head.  

I recently moved furniture in the house.