I don't understand enough about it to know if them stocking up on single-family and small multi-family properties in the Denver area, at the current prices, is a good initial play that will hold up.

Responding to a question about Political impacts and Self-Storage in a discussion.From a political standpoint, don't see a change in the stock market.

Rentals boil down to how much do you net after paying principle, interest, taxes, insurance, and a maintenance reserve.  

Quote from @Ryan Smith: Hi everyone,With what's happening in the stock and securities market, now is the best time for many passive investors. 

To do that, I was intending to sell some stock (75k to completely pay of home 1). 

6.125% has P&I of $2625/month.5.75% has a P&I of $2521/monthThis is a $104 benefit.Paying $4400 more towards principle will reduce your payment to $2598, a $27/month savings.Math says buying the rate down has a larger net benefit to you up front, but it will take you 42 months to break even.

As expected, he recommends Roth conversion and invest in stocks. 

If you sell, will you invest the proceeds in something else for example the stock market?

You need to not necessarily follow a book to a T, but just basic principles.

Read a text on real estate principles, law, and finance.