Those aspects are influenced by desire, not so much by the nominal end result

I'd think the study would pay for itself over a couple of years based on current CFAT.However, if the properties are recent buys and you haven't done a lot of rehab, you may have substantial tax shelter already with depreciation and mort interest - ASK YOUR CPA.Cost segregation helps, but a lot of cases accelerated depreciation isn't that much unless you know you want out in 507 years and are doing lot of rehab after purchase.   

If you're able to get an interest rate at or around 3% giving you the ability to pull out a substantial amount of money, that you can then use to purchase more properties.

Distressed seller (homeowner) is a Vet going through divorce who owes a substantial amount on mortgage payments and HOA fees.

In the event of an audit, every deduction will need to be substantiated. 

The different reasons for being a B/H investor will significantly influence your ideal inventory.

If so, do you think it has made a substantial difference in your growth?

If you just own one SFH as an investment, unless you have substantial other assets, it's probably overkill at this time.

Thanks for the book recommendation Jonathan...Create a personal circle/sphere of influence list with all of your friends, family, neighbors, former coworkers, etc. and contact them regularly.Perhaps the best (and arguably most difficult) source of new business comes from calling "For Sale By Owner" listings on Zillow.

Joe Rogan probably knows this (I'm sure his tax advisors are more than competent) and legislation of this nature most likely heavily influenced his decision to head out and not stick around to find out what happens.A google search tells us that Joe Rogan's net worth is probably between $50 million and $100 million.