I could recommend a couple of people to do consulting. 

Rather than hire as many sales people to do follow ups--set up automated text messages, emails, letters, or postcards to be sent to your best prospects.- Podio has really good integration with other services--like RightSignature for eSignature, Google Docs/Drive, Dropbox, Twilio for SMS, Lob for physical mail--either for marketing or other workflows like invoicing, and a ton of other services.  

This is especially true the more people you try to cram under one roof. 

I currently own 2 commercial and 1 residential, a 7 unit / 2 commercial storefront property, a Laundromat facility storefront, Then a 2 unit multi family that i am house hacking.The purpose of the this post is that i want to meet ALL investors( pro or just starting out) in New London County to know each other and learn and talk about real estate, want to create a great network of people in this county.

Its worth having your brokers license if you want to make money helping other people buy and sell.

Bottom line some people in America live in such filth its unimaginable to most folks.U do this long enough you will see it all..  

Many people hire an inspector.

If your serious about it you should join facebook groups, go to real estate networking events, connect with people who are doing it and ask them questions.

Since you know who you want to serve, try to tailor your listing to make it easy for them to say, "yes".General advice: MTRs are attactive to a lot of people because of the increased cash flow, but it's the appreciation over time that really generates wealth in real estate.

While I don't have any horror stories, per se, I have heard of people having a tenant for a year then causing $20k in damages upon move out, while skipping town to not be found again (this was a CA buyer buying from a turnkey operator in AL).