I focus on buy and hold long term rentals, but I've explored the airbnb model for several of our properties, and I'm a (painfully) frequent user....my input is limited, but here goes: - if I were you, my first step would be to study up on the local ordinances around short term rentals.

As always, don't trust the internet, seek professional advice. https://www.hud.gov/sites/documents/SERVANIMALS_NTCFHEO2013-01.PDF

Some ends up selling user info to other services.

Read the HOA CC&R's.As always, don't trust the internet, seek professional advice.

Looking on the internet and I don't seem to find any information about this the only thing that I seem to find is that he has to be less them fight units in the commercial part of the property has to be 49%. 

I do own properties in some C/C- neighborhoods in other states where similar issue with tenants not keeping up with rents at times.I actually use Real Property Management to manage my properties in Sugarland and Richmond areas of Houston. 

Here is a list of items that a hard money lender would like to see:Project Financial Analysis - Breakdown of your financial analysis for the project showing your ARV, Repair Costs, Buying Costs, Holding Costs, Selling Costs, Financing Costs & Projected ProfitRepair Estimate - Summary of Repairs broken down by CategoryProject Scope of Work - Detailed breakdown of all Estimated RepairsComparable Sales Data - Comparable sales analysis of at least 3 similar, recently sold compsProperty Photos - Photos of the existing property conditionYour Resume - Your resume of past experiences, & action plan for the projectI have uploaded a sample Investment Presentation in my fileplace as an example:https://www.biggerpockets.com/files/user/drobertson/file/sample-rehab-investment-presentation-for-lender

I'm installer of user of direct vent fan with humidistat. vent heavier moist air near floor, and replaced by air exchanges min 3 per pp x day. installed $1500-$2500 vents  aprox 2000-4000 sft. depends on region and avg humidity levels. a whole active not passive cs basement vent 230cfm more. installed into wall is vent like #1,  with 3-4 manufacturer's in no.

But they have all standard reports that are easy to understand and interface is user friendly.Hope this helps. 

I searched the internet but from what I was able to determine, triplexes are too small to submeter.