I'll point out @Brian Burke as one of those who really had a healthy fear of the market, stopped buying, and got out. 

So after a long and healthy Tech career I thought it was time for a change.

The business environment remains healthy. 

When the properties are paid off, you’ll probably have a healthy profit.

So after a long and healthy Tech career I thought it was time for a change.

If he has the income to support a $550k mortgage, and a healthy cash reserve fund, he should invest the money.

A healthy dose of skepticism is good, but usually they want you to have the best experience possible.

Quote from @Lizie Pilicy: I'm considering investing with Kris Krohn and stumbled on a few BP threads.I'm curious to know anyone who actually has experience with Kris could chime in with reports of ROI, etc. and if investments are still healthy and doing well? 

Expediting the depreciation with a cost segregation study can add a healthy amount of cash flow in the first year to 5 years when you need it most. 

It's better to preserve a healthy relationship with the tenant than save a few bucks.