Title report, confirm utilities and zoning etc. 

Make sure utilities are available, and that you have tap fees included in your estimate, as well as engineering (site plan), architectural plan, and other bits you might need to consider for your market (landscaping and costs of sale, for example).

There are companies with the customer best interest in mind.

I'm not sure of what the rules are regarding agent-client confidentiality but without naming any names or addresses, for example:SFH#1 or Duplex #1, if this is Class A, B, or C area, purchase price, down payment, loan terms, monthly payment PITI, gross rent, property management fees, other repair or cap ex costs your client went through and the net rental income for this investorIf this isn't an LTR but an MTR or STR, now we're adding utilities, WiFi, furnishing the place, higher PM fees.

To pull this off, you may want to use social media platforms to find your next great deal.But how do you utilize these platforms to find real estate sellers who are motivated to work with you?

There are definitely faster ways to grow your portfolio fully utilizing debt.

Reasoning for asking this is that it could potentially be a beneficial long play on acquiring a property through assumption, and as we go down in interest rates, utilize this monetary benefit to refi as it comes at a mere .5%.

I think you would have to join the course to know the other ways this Gator method could be utilized as he doesn't reveal everything in his YouTube videos.  

Why would you pay down a 7% interest rate when you can utilize the extra payments towards actively investing in other opportunities that can provide a higher return, e.g. actively investing in real estate.

As along as you take the lessons from this and utilize it on your next deals (yes, plural) you'll make great progress!