Proper setup from the start can prevent major issues and ensure you're profiting from the start!

The property owner always loses while the arbiter has no skin in the game at all, just skimming profits off of the owner and can walk away any time they want without reprocussions. 

He bought a town in Texas (yes, the whole town), but started with land and may have dealth with this issue.

I have a SFH that im trying to do this exact thing and wanted to see if anyone had any issues without notifying anyone and just putting up a mailbox.

There is unfortunately a lot of issues going on in the DSCR Secondary Markets with regards to PadSplits right now - Wall Street is insistent on considering them SRO/Boarding Houses and are pulling back making financing these (if theres any sort of alteration at all) very challenging at the moment Thank you for that information!

https://www.biggerpockets.com/forums/51-tax-legal-issues-con...

But that is not an issue when you do the exchange immediately after the 1031 is complete.   

However, such a provision doesn't actually prevent that additional/junior lien from attaching to the property, leaving the 1st lien lender stuck with the issues @Chris Seveney mentioned. 

Giving the recurring issues with labor quality and scarcity, would you say automation tools like construction 3d printing or other tech are worth exploring?

As a result, you don't need a W-9 for yourself, you're a Partner, and you don't need to issue a 1099.