You can also check meetup.com or search Facebook for real estate investment groups, clubs, or meetings in your area.

Search them online and check out their websites.Meetups.

I would then start the search from there. 

Your ranking in your area for the time guest search is everything for this business.

So check the contract again to verify.I like @Wayne Brooks suggestion of finding out the needs of the seller and offering a delayed closing if that would help their property search! 

Just search the Bookstore here on BP and you'll find many.

If the turnkey company gives us an idea what the property is worth, our verification doesn't go back to the turn-key to question about the value, no we instead turn to third party i.e. independent re searches that verify the value - and same with all other information given to us by turnkey companies, realtors, sellers or whomever your are interreacting with."

1) Research Zoning of similar property2) Do search with same zoning criteria with propertyradar or have title company give you a list.3) Possibly filter by satellite photos to eliminate undesirable topography.

Search the BP for ADU appraisals to encounter numerous examples.

Search the forums here for these kinds of stories from landlords.