Zoning designations follow a different format now -- like "U-SU-B" or "E-SU-A," etc.

They will make your like easier and same you from costly mistakes as @Steve Rozenberg mentioned.ON-FIRE Agent mean they are:O - Organize (The Investor-Agent must be well-organized)N - Network (The Investor-Agent must be well network with other Real Estate professionals like Lenders, Appraisers, Property Managers, Inspectors, Insurance Agent, Contractors, etc)F - Focus (The Investor-Agent MUST Focus on YOU)I - Investor/Investment-Savvy (MUST be INVESTMENT SAVVY)R - Responsive (Must Be responsive and answer your call/text)E - Experience (Must be an investor or have experience working with investors)You can find one under Network ->Real Estate Agent here: https://www.biggerpockets.com/...Goodluck

Go get the e-myth by Michael Gerber.

However, I still don't have the complete picture.I heard some videos from a competitor of the company I used, who suggests getting an EIN for each of our ROTH IRAs to fill the Part II section E on K1.

A human(e) impulse de-humanized our LTR industry.  

@Bob E.

Just file legit travel expenses and record them in Schedule E along w everything else.

But in any case - b e professional, dont give them any nonsense about how you want to solve their problems - just say hey I understand your property at xyz may be coming on the market and I would love to discuss as it is exactly what I am looking for for my family (blah blah blah)   I get calls like this all the time so just be professional - maybe he will give you his agents name so you can contact the agent?   

I created a template through an e-sign platform (Docusign and Hellosign both work), and the link is still automatically when each reservation is booked so it's a seamless experience for the guest and my customer support staff.

You don't necessarily have to go the YouTube route, but I would definitely get into affiliate marketing and e-commerce space.