Better to look at data.

I'd suggest checking local Airbnb/VRBO data or using AirDNA to see occupancy rates and average nightly rates in the area.

You can also split the difference by looking at the historic energy usage for the property and setting that as a utility 'cap.'

First off I always question statistics when there is no possible way to gather the data for the referenced statistic.  

The real work is locating these properties and I've learned the best way to do this is to work in towns/areas that have online GIS systems that map; topography, wetlands, soils, etc. and assessors data available for download either from local sources or listsource.com.  

The data points they use made me feel like it got my pricing right and I feel much more confident about what my nightly and seasonal rates are now. 

Market Appreciation is the least predictable, but historically, where you will make the most money.

I too believe that economies of scale will will give us more bang for our buck, but since MTR data is fairly new, it was also difficult to analyze the profit potential for a new 4plex.

Deals like this do exist out there.In a previous post, I put a graphic of my returns, and you accused me of using data for single family returns.

An analysis of the data also shows that the city north of Austin grew 10.6% year-over-year, making it the fastest-growing city of at least 50,000 people.