Check out the Straight Up Chicago Investor Podcast. 

Just want to double check I'm not going to run into any issues.

Check the setbacks, landscaping and parking requirements for your project.  

As someone who has read Harry Potter, it seems the best way to get the attention of the landlord is to send a scary looking giant to their home residence with a kindly worded letter.More seriously, I was on the other side of the coin previously where my wife put the ads up under her accounts instead of mine, so I couldn't check them without getting on her phone and I was inundated with people looking to see the property (probably 50 over a 5 day period) and was trying to send semi-personalized notes to each one--and it all ended up being too much to handle and I ended up ghosting or not replying to many people after I found an applicant. 

I know someone who ahd a loand written at 10% from years ago and now they said a state is requesting more info on the loan because it was above usury laws and they may have to cut a check back to that person.Let me guess, good old Pennsylvania? 

Go check the BBB page for Auction King.

Go out there and check on the property. 

Sometimes maybe often times they aren't doing enough to track down the owner or owner's heirs and just collecting checks from the court.

There’s just something about owning a duplex or triplex that makes the numbers more forgiving...you’ve got multiple units covering your expenses, and if one tenant’s late on rent, at least the others might keep the ship afloat.A friend of mine once worked with a client who snagged a triplex down in Austin and ended up treating me to breakfast tacos after those first rent checks cleared.

Also, check to see if your jurisdiction is practicing "Just Cause Eviction", which went into effect statewide earlier this year for municipalities that which to opt in.