Hi Steven,It sounds like you and your wife, Renee, have a wealth of experience in the real estate and construction fields, which is a great foundation for starting your real estate investing business.Given your background in residential remodeling and home inspections, and Renee's experience as a real estate agent, you're off to a strong start.

"Good about deductions" sounds a lot like "doesn't make enough money to be a homeowner", so he should keep renting from someone else, and you should do what you're going to do with the money and wisdom you earned.Of course I don't know your son, but I think this is too dicey and you are too close to the situation.  

-EricThis sounds like a very wise imvestment.

From the sound of it, the cheap debt is not really a motivator at all for you.

Udemy and Coursera have affordable options, and they could help you feel more confident when pitching yourself.It sounds like you’re in a great position to get started.

It may sound nice to pay a 6% management fee but the extra fees can add up to be more than the other company that charges 10% with no additional fees.

Secondly, that article, while highlighting a genuine problem that exists pretty much all across the world, makes a marginal group sound like it's a large organization.Regarding Spain first, the measure is so stupid that I doubt it's going to be adopted and implemented.

It’s generally better to pay taxes, especially if it’s preferential LTCG treatment and make a sound investment with cash that remains than defer and make poor investment decisions. 

Quote from @Jonathan Klemm: Sounds like you are no doubt heading in the right direction @Jason B.!  

Sounds like you've stumbled onto a tremendous investment opportunity, if you're willing to take on the rehab risk you mention above.