C+ Neighbourhood13 Unit Apartment Building (Link: https://www.loopnet.com/Listing/7828-S-Essex-Ave-Chicago-IL/30374409/) The average Rent is $1400-1500 (to be safe $1300, but I am extremely confident that I will be able to rent higher adding value and convenience to the tenants and treating them as a bit with a higher level of service) - $16,900 at full occupancy and ~$12,000 at 70% building. 

Found the listing on Zillow.

A brokerage that specialized in distressed properties had it listed.

Purchase price: $168,750 Cash invested: $40,000 Sale price: $238,000Offer accepted 1 day after listing - Sold for 3k over asking. $29,250 PROFIT.How did you add value to the deal?

Both properties listed on Airbnb and VRBO as short and medium term rentals.

Who / what is the list source? 

When we sell, I'll list the property and forgo paying myself any commission. 

He didn't want it and I had a verbal from the listing agent saying seller would accept my offer.

The 1% release will put a trophy icon listings that are in Airbnb's top listings globally.If there are and estimated 7 million listings, then there will only be 70,000 listings getting this designation. 

@Vasudev KirsAll in the ad for the listing; Zillow makes publishing the listing easy too.