They also offered in-home plumbing support for an extra fee...but I cheaped out because I have a 3-unit building and would have to pay per unit. 

An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provides support for the property tax appeals process.Additionally, it can help maximize renovations and improvements.A Cost Segregation study is an IRS approved federal income tax tool that increases near term cash flow by utilizing shorter recovery periods for depreciation to accelerate return on investment.

I did all the work myself, which was very time consuming.

I am excited about taking my first real steps in real estate and building a portfolio to support myself and my family in the years to come. 

Since then, I have become obsessed with studying/executing REI and I continue to consume information with every bit of my free time.

I've been consuming as much content as possible and have a goal for 3 properties this year.

He also said that the floor joists are supported by a temporary support (see pictures).

Each property just needs to support itself and its expenses. 

Self storage is really for consumers, not business storage

It has the I-Beams to support building up, which is also supported by the city (they like the idea.)