While not great compared to other investment vehicles the potential ARV is appealing to me. 

Get yourself a dependable vehicle that is not too expensive and does not have a lot of miles on it.

I thought about a space to develop into large vehicle & equipment storage 

The coverage is often capped at around $300k for homeowners polices, and then an umbrella policy would pick up from there, usually up to $1M or $2M, which covers multiple properties and vehicles for the insured. 

To even consider taking section 179 on the vehicle, it must be used at least 50% for business purposes.

Can anyone tell me what the “back in my pocket” amount I’d receive from using the section 179 vehicle tax deduction?

I am not subcontracting the management however.The pro:I consolidate all payments and expenses under one entity.I can decide to take a w2 income from it if I need to show income for a future lender and also I can use it to fund a solo 401k.I get all the fringe benefits of a Corp (health plan, vehicle reimbursement, ...)I am expensing all my ancillary cost pre tax.I am separating operation from ownership and get another layer of asset protection.The con:Another entity to manage, another tax return, more feeConvert some passive income to active income.You may need a license for property management in some state (but you may have an exception for owned properties)

Are those vehicles person use too?

I thought this was a post about networking while at the Department of Motor Vehicles (DMV)...

One of the key benefits of real estate as an investment vehicle is the power of leverage.