Lower our total tax burden by reducing our end-transaction profit on each flip (assuming taxes are not paid on credit line "income").  

I believe once I get to that point I will be able to step back into a part-time role with my day job and focus more of my time and energy into working on building a company.My long-term goal is to be receiving $10K/month in passive income by constructing a REI company that allows me to travel and spend more time with my friends and family. 

A quitclaim deed won't help you reduce the costs.

It can lead to all sorts of "little repairs" that they do for you to reduce their rent by 10-20%.

Quick example here -- https://tubularinsights.com/tax-deductions-us-youtubers/These expenses/deductions will help to reduce regular income tax as well as self-employment tax.Any deductions not tied to YouTube income will not help to reduce self-employment tax.

House hacking is an incredible way to get into buy and hold real estate investing with a relatively low financial barrier to entry… plus the added benefit of reducing housing costs!

I also agree that today's technology has greatly reduced the need to visit in person.

This reduces the cash he needed to bring to closing.Moreover, if the building needs repairs, you can also negotiate a deferred maintenance credit to further reduce your cash to close.Hope this helps

You only back out after doing you due diligence and deeming it is not a good investment, I personally look at inspection and expenses in due diligence as insurance investment to reduce loss. 

Reach out to @Joe Mueller he is an investor and started Investors Title Services LLC and they specialize in investor closings at reduced fees, although I used them for all my closings and save money on every one of them.