By recognizing the potential in a low-cost property and acting quickly, we avoided complications and captured a solid profit.

You’ll probably end up having to pay any buyer’s agent a commission so you’re really trying to save 1-2% max on your seller’s agent before you pay for advertising, professional photos, doing the open houses and showings and paying to be on the MLS.

I hear that the same can be said for phone calls - and after a brief surge in text response that too is starting to be ignored.So, while a continuous campaign funded at a fairly large level (top wholesalers spend $15,000 + monthly on marketing), the trend is that people DON’T want their personal space and sanctums violated by advertising.  

If the court did not send to you a copy of what they filed on the 24th then the court may not even recognize it as valid. 

Does the local municipality recognize the basement as a separate address?

It's false advertising.

@Jonathan Klemm thanks for the mention@Ali Farhat Jonathan is correct that you may still have some opportunity depending on the Zoning designation for the lot, and how many existing units are Legally Recognized by the City.You can Check the Zoning Designation here on the Chicago Zoning MapFrom there, you need to check the requirements for your lot based on the Chicago Zoning Ordinance (Note: RS-3 does not mean 3 Units.

The mods are going to remove this for a forum advertising violation.

You probably have heard to join the local REIG as what you will find from the courses advertised everywhere anymore is that they offer general information that in many cases does not fit your market or state requirements. 

I finally found another duplex a few towns over that had been sitting for a while, it was badly advertised.