As mentioned, I would leave it and use that as a storage closet.

Great property, perfect setup for a duplex with separate driveways, entrances, back patios w/ storage, brand new roof, plumbing, newer HVAC, appliances, flooring, etc.

Adding rooms does create the potential for more conflict but carefully thought-out floorplans, designate wet and dry storage spaces, and provide supplies.

A storage unit is very different to manage than low income housing or a single family in the suburbs.

Even just pulling Comps for bedrooms, bathrooms,sqft,acreage build year,only 5 comps come up within 5miles.add a 30x40 shop in the mix and a tiny home on a neighboring lot.1/4 acre pond. 3 storage buildings.brand new roof and hvac.

The land is unbuildable for residences and we build these storage workshops on the properties.  

This property would be great to build two houses, subdivide and sell.The second deal is a duplex with a storage building on the premises.  

We do Self storage and deal with wasp and yellow jacket nests throughout the summer.  

There are also more than just the standard value-add multifamily available for syndications, you also have build to rent (new construction MF), RV Resorts and campgrounds, business m&a funds, storage, and much more!

We have late fees, pet fees (though less these days with the whole service animal abuse), parking fees in some cases, storage unit feeds, coin laundry revenue etc... it can add up.Good luck.