Rent the bottom floor to a commercial tenant and second floor to another tenant and I stay on the top floor.

Hardly the "business is booming" sentiment that you read about on Crowdfund Insider (which is nothing more than a PR service for the top platforms). 

Is it an open floor plan or lots of little rooms?

You may also want to check out the Property Hub - focused specifically on the UK market: https://thepropertyhub.net/If you're interested in purchasing through an investment house, I work for one that provides 'deals' and an advisory service in the regions we specialise in. 

The house should have been condemned because of holes in the roof and floors (in several areas).

Generally speaking, documents you may find from online services often lack important clauses that can help shift burdens and costs down the line.

Remember though, you still have to sell them on your product or service.

Do you have property management services that will handle these units?

Do I have the right to bill him the cost to hire cleaning services to move his stuff?

Hi,We bought a triplex in March with 25% down payment. since then we've added a brand new roof, redid first floor bathroom.