If you refinance, you would be paying monthly, so it would be better to do this closer to your next purchase.The house-hack BRRRR is a smart strategy, but there are a few caveats.

I have also seen others change strategy during the slow season and get a medium-term tenant in place.

Where do you get the majority of your data state-by-state?  

The owner Rob build and sold more than 100 homes per year but also had at least a dozen that he held which encouraged me that using the BRRRR strategy may be beneficial as he then would get the benefits of depreciation to help offset the profits he was making selling off the others.  

There are plenty of areas in western PA where the BRRR strategy can be effective.

They are making it happen in the market and can truly provide great insight into market fundamentals and strategies that work in the markets you are focusing on. 

I had just come across a section 8 strategy video on youtube of a very well-known and successful investor who actually recommended not using multi-family properties as housing for targeting individuals with section 8 vouchers for various reasons...and now I'm afraid!!!

My strategy is mainly ground-up construction because that's where I have the most experience as a construction project manager. 

Cost segregation has been a major player in tax strategies for real estate owners by reclassifying assets that have a shorter useful life and can be depreciated over 5, 7, and 15 years from the nonresidential or residential properties with a useful life of 39 and 27.5 years, respectively.

A common strategy here is to access the equity through a cash-out refinance or selling.