Indeed that is true, the idea is that you keep buying property and stack deprecation 

Find a true community bank to move your business to.

Agree most Realtors are not real estate investors themselves, number 1.Additionally, your Realtor may have a different property type they like to invest in or prefer to have more paid off properties than leveraged properties.You will know you are working with a true advocate and fiduciary if they negotiate hard for you and advise you not to get into or stay in skinny or low profit deals.To Your Success!

Google cognitive dissonance and you'll understand the true agenda for their presentation. https://en.wikipedia.org/wiki/Cognitive_dissonance"The discomfort is triggered by the person's belief clashing with new information perceived, [or perceived new information, which is neither new nor informative] wherein the individual tries to find a way to resolve the contradiction to reduce their discomfort."

(As you note, this is not always true - but like you I believe it is true more often than not.)2.

Unless he was interviewing a very specific group of 10,000 millionaires, there's no way that's true.

The true advantage is when you start to scale and acquire more properties.

As @Michael Baum says, Aircover and VRBO coverage are not true insurance, and not to be relied upon.

I would be (almost) willing to bet they are scam "service" dogs because true service animals have a significant amount of training, rarely leave their owner's sides and are rarely unbehaved.

That house will rent for less than $3,000 a month so you'll have nothing left to set aside for vacancies, property management, etc.Learn how to crunch numbers, then work with a professional that can help you understand the true costs of a market.