Listing brokers effectively become dual agents be default and many investors or buyers (especially at the entry level) will effectively go unrepresented.

Some of this might get tracked in the house due to the renter mindset of the tennant.

Did you know the Gov tracks “Whiskey at home” as an economic data point?

--> "Justice for Renters Act". 

What problems you face for tracking time spent on RE activities? 

Considering wholesaling is a numbers game, tracking, qualifying, and managing leads in any volume can be overwhelming without the right systems in place.

You're on the right track!

If the deal makes sense, the tax benefits are just icing on top.

@Dan Engberson  It sounds like you are on the right track.

Some cities require the STR permit number in the title or very top of the OTA listing so city permit  technicians can scan and keep track otherwise the owner will be contacted and fined for forgetting or shut down if operating illegally.Some cities have a 24/7 STR hotline dedicated to receiving any complaints (from neighbors, HOA) for a code compliance officer to act onSome cities issue expensive fines for those operating without the STR permit