I will answer as it relates to traditional BRRRR, in the general case there are additional options.  1) Do not perform maximum cash extract.  

All of these areas have relatively stable rent prices and notable appreciation rates

So you'll see a higher overall income per household because the household size grew relative to the price point.

If you want to fill your property with residents sourced from the companies above, imagine being the overworked, relatively low-level employee tasked with finding the appropriate housing ASAP.

Truthfully, I don't think a Capitalization Rate of 8% is terrible plus you'll have an appreciating asset along with the tax benefits.  

They are always on top of maintenance and communicating any issue regarding the property and they have streamlined the process so that it’s relatively easy and quick the purchase. 

Quote from @V.G Jason: Brandon Turner's advice is old, outdated, and for the most part not relative to today's market.

However, if you have 2-4 unit rental properties, you may not gain much benefit from listing on these sites, as they primarily focus on commercial properties.

Consulting a tax professional is key to ensuring compliance and maximizing benefits.

If that's not the monthly income, you are arriving at your cap rate by using incorrect expense ratios/expense figures and/or the property benefits from an extremely favorable tax abatement which skews the operating costs.