If no building permits were issued and inspection approvals were not conducted then you potentially have an illegal non-conforming use where they could demand you de-convert. 

I like the info his law firm shares on YouTube (both principals plus some junior lawyers at the firm).Joe's/Theo's book provides a great road map which starts with your motivation, progresses to targeting a market, building a team and conduction the DD before you buy.

Keep in mind even if the family leaves and the nanny stays you will still have to conduct an eviction.

A method used by landlords that want to purchase properties in need of improvements, have the improvements conducted, place a tenant(s) in the property, then refinance using the updated (current) market value and hopefully pull cash out during the refinance.

I haven't needed an agent because I conduct my own due diligence when making my purchases.

Tow very different networks and animals to conduct due diligence on.

I am conducting a commercial appraisal for a small office building (<5,000 square feet) in New Britain, CT and I need to pull some recent sales comps in the area.

Nothing is going to be having a real estate agent you trust in that particular market to conduct what most call a "competitive market analysis" to drum up an ARV for you.In the past I have used Redfin, Zillow, *******************.com and others.

This exposure will give you an idea about the different roles required to conduct the business.

Have you seen the thread below, in the Ask About A Real Estate Company secton, Wondering if a company is a scam or conducting fraud?