However, CraigsList listings no longer produce any responses.

If you go to a regular bank that will matter greatly to them except if you use a cash rich partner. 

Extra doors for one mortgage.We also did move regularly into fixers, improved them over time.

Easy to get into, usually easy to rent, produce decent cash flow quick.

The person that told you to keep your regular job made since as that is mental therapy as well as income.

Work on a top producing team.  

Some produce excellent cash flow north of double digit interest, others are more conservative and produce less.

I've got the personal, professional, and educational background to head into real estate, and I've learned from some of the best, even though most of it has been tangential to my day job (which has involved working regularly with real estate investors for the past fifteen years).

Manny explained it well.In other words, if your building (say it produces $19,000 in NOI) and it's in a "D" area (say cap rate of 10%) and if you find a similar building in an "A" area (with a cap rate of 5%) that produces the same income ($19,000), investors are more than willing to pay DOUBLE the price to get that $19,000 income for a building in an "A" area vs. the same income for a building in an "D" area. 

I also see a space where I can select that this is an income-producing property.