@Roy N. broke it down really well.It's not just financing but countless other costs with what's considered commercial dwellings (6 or more units), environmental, insurance, etc.Feel free to DM me to go over some options for residential, and depending where you're located I can likely find you a really good commercial broker. 

There are countless other books/podcast out there to help you, but these two are a great way to start.  

The defacto approach we’ve heard countless times on BP and elsewhere is to use leverage to scale property investments as a means for building wealth over time.

I have/had a list of where I emailed countless agents to no avail, and gave up calling after the third or fourth time.

also check out "The Book on Investing in Real Estate with No (and low) Money Down" It's helped countless beginning investors and those (like myself) who don't have the most desirable funds to start investing.

Countless times I have called on an active listing stating I am a buyer, with all cash, I will prove it, and I want to make an offer, please call me.

After countless hours of searching around, looking at homes, analyzing properties, and making offers.

I just don't know where to start.I have listened to countless podcasts and read several books on real estate, but they all contain a lot of theory and not much practical advice.

I may be biased because I do work for a GC however, I have witnessed countless times customers buying their own material and then it being incorrect which ultimately ends up costing more in the long run with schedule and material.  

The next few hours were countless phone calls to title, lender, insurance agent & real estate agent to find out how/if I could flip financing, insurance and title insurance to my personal name to be able to close under the existing PSA.