You can break it out by general RE activities and material participation.

Your strategy for rentals will have to be short-term rentals, considering you are a full-time employee and will not meet the material participation rules. 

@John Zhang If your wife qualifies for Real Estate Professional Status (REPS) and materially participates in managing rental properties, there is no limit on the amount of rental losses, including depreciation, that can offset your W-2 income.

How are they sourcing materials?  

Pretend your getting the hardest rain you have ever seen and imagine where the water is going.I would also keep an eye out for sewer lines and type of material.

I have spreadsheets filled with material lists for every phase of the build that includes pricing for materials as well as labor, and sources that I use for them.

These will catch a buyer’s eye in any market, and it's no extra material cost to do so!

You may also visit the NAIC’s internet website at www.naic.org.

@David LewisOK - so - if you're just doing Internet searches and are already ready to give up... you should put some more work in first. 

I know lots of installers don't do it, and I personally prefer the unimpeded look, but anything installed outside of the requirements of the material is probably going to be limited, i.e. the insurance company is not going to pay you because the material was not installed according to flooring requirements.