More likely for a townhome style condo.

My version of this idea would be a twist between RV park and airBnb style camping. 

For most investors a la cart style management seems to be the best option, this is where you manage the bookings and the management company handles all the turnover and maintenance for 10-15%. 

Total different world and crazy.Use some basic stuff.  2000sqft ranch style house.  

I know no place that will rent quickly without granite or similar style upgrade.

For the 12+ years I have spent in formal training, no one has ever introduced this topic along the way except for maybe on a slide somewhere at a benefits orientation lecture.

I have read most of Grant's book, love his aggressive style, but I have not gone through any of his courses, the price point was a turn off for me.

The less invasive option would be propane fired Rinnai style direct vent heaters in each unit.

Many states and some localities have added others -- such as gender and sexual orientation -- but convicted felons are not now on any state's list.

Length of tenancy depends on the property, the type of tenant, and your management style.