For newly constructed, purchased or renovated properties and also retroactive generally over the last 10 years, building components are properly classified into individual units of property and accurate recovery periods for computing depreciation deductions.

Rehab must cost more than the purchase of the building.This was a layman's interpretation of the actual rule which is:The qualified rehabilitation expenditures exceed the greater ofThe adjusted basis of the building (and its structural components), or$5,0002.

But you are correct, often seller fi is a component of the financing.  

Whether you are a startup, you have started and ready to scale or you are nearing Cardone's level you need to look at 4 components and how you build the processes and systems. 1.

The Brrr strategy works best with a value add component that forces appreciation. 

This is an often overlooked component.

A lot of the major components are brand new including roof, siding, furnaces, A/C, flooring.

A key component of success is assembling a local team that handles property management.If you're new to investing, even if the property is out of state, start with a modest residential property.

If your pulling every mechanical component out, most interior wall and ceiling cladding, then the ROI on the energy upgrade may spec out nicely over a period of yearly savings (many years).

Make sure the major components have been updated.