The research will investigate potential soil contamination, ground and surface water quality, along with the presence of hazardous substances on the site, and will include researching files from various municipal and state departments including the planning and zoning department, health department, fire department, and the Department of Environmental and Energy Protection (DEEP).

As an investor, you want to grow your portfolio first wide (number of assets, total property value), before you grow it deep (de-leverage, equity). 

To check it out well, look into the market deep, get a pro to inspect, dive into the money details, ask local pros, and talk to a property lawyer.

- Do they focus on multiple asset classes or is it an inch wide mile deep, narrow focus? 

Purchase Discount: It's crucial to buy properties at a deep discount if you plan to BRRRR and get cash back.

@Mohan Deep, in most situations you will never recover that money.

I'd suggest diving deep into the local market trends and connecting with fellow investors in the area.

Should take the opportunity and ask the bank to renegotiate the purchase price at a deep discount? 

I've dove deep into the realms of real estate wisdom, heard every guru spiel, and read more how-to guides than I care to admit. 

Grab a cup of coffee and do a deep dive.https://www.stlouis-mo.gov/nst/documents/inforent.cfmI would also check to see if you are in an HOA and if they have any restrictions.