Keep at it and stay active in the forums, they are a huge resource. 

Dear Fellow Members,I'm a long time BiggerPockets lurker and researcher. I have come across a commercial real estate company that publishes their research for the general public. I want to thank and give all credit to...

Wow - That's a mouthful and a lot to wrap your brain around so having a good QI to guide you through is essential (as well as a statutory requirement).Most folks will go into a 1031 like yours aggressively seeking replacements. 

The fact they are complaining online might be an indication the property manager dealt with them properly so be sure to ask the manager for their side of the story.I hope this basic guide helps.

Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/alertsRead Beginner’s Guide: http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts: http://www.biggerpockets.com/renewsblog/category/podcast/If you wish to tag someone in the conversation on the forum, type @ followed by their name and then select the name of that person which should appear below the comments box.

And if you intend to occupy one of the units, 100% of rents collected may be used to offset mortgage payment, thus reducing your DTIFannie Mae Selling Guide - B3-3.1-08: Rental Income (02/28/2017)[If a borrower has a history of renting the subject or another property, generally the rental income will be reported on IRS Form 1040, Schedule E of the borrower’s personal tax returns or on Rental Real Estate Income and Expenses of a Partnership or an S Corporation form (IRS Form 8825) of a business tax return.

I have gathered information from books, podcasts and other resources, however I have not had to opportunity to speak with live people and learn as much as possible before I begin investing. 

I'm a lender in STL, happy to share any resources with you guys. 

The other 2 LLC's are bring resources to a project that we are working on.

You can easily check that by putting in the property address at the Indiana Dept of Natural Resources Floodplain Information Portal.