I would hedge on the conservative side which would be 50% just for feasibility purposes.

The purpose of the LLC is to separate your business from your personal.

For the purposes of differentiating, personal finance and financial counseling is different than financial planning, and even more so investment advisers.

It's nuts and it is not without risks, but you'll likely be better off proverbially picking up the phone, dialing the number, and figuring out along the way.I don't say this to promote folly or haphazard investing; but rather to help lower the bar in your mind. 

For tax purposes, I'd like to contest this to lower my tax bill, however my concern is that i'm planning to refinance this property in the next 6 months and I'm not sure if the lower appraised value from the city will affect the amount that i can refinance the property for.

Specifically, I’m trying to figure out how to create a legitimate business that shows income for the purpose of gaining future lending.

Even if some are re-purposed, I don't think it can be enough to salvage the amount of vacant buildings we already have today.

I wrote the above for informational purposes.

. $50k in my first storage facility and maintain healthy reserves for both liquidity purposes and additional investment opportunities.  

Developers typically take a development or builder fee, acquisition fee, and some promoted interest.