Does this mean any type of savings account, including high yield savings accounts like Goldman Sachs Marcus?

High level...the average commission rate is going down, the quantity of brokers (and brokerages) are going to be reduced.

As of now I’m listening to the “BiggerPockets” the podcast and I just started since the first episode and it just made me have more motivation to accomplish my goals  I am in the process of currently changing my major from Marketing to Finance and Real Estate and I would highly appreciate any type of advice, that any of you have. 

:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+, zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680, some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

For example, I am thinking I could just pony up and buy a month's subscription to AirDNA for Washington, search for high revenue/occupancy areas, and then further refine that list by researching each location's STR regulations.

It seems highly like that it will be proposed again.  

If so, why would the rate be so high?

Any contact will be highly appreciated.

At the end of the day, you have more to learn, but the high level  fundamentals are the same.  

I've fought and won high property tax assessments before without assistance.