Lending is a little more passive, but you do miss out on some of the benefits of owning real estate (i.e. appreciation, favorable tax treatment, etc) as you pointed out. 

I’ve read many books on RE and have watched countless webinars but I’m more of a visual learner.

So, not eligible for any special treatment.

When you’re just a single SFR investor with their PM firm, it’s unrealistic to expect the treatment for someone with a large portfolio with them…sadly.

That sale might qualify for tax free treatment with no 1031 needed which would make the decision a no brainer.

If your QI holds your proceeds until the end of your exchange period you will not receive the funds and recognize the gain until 2019 if your accountant reports it on 2018 tax return with installment sale treatment. 

Huge change in requirements...still a net increase in jobs.https://www.census.gov/library/visualizations/2017...I may be wrong, but I am betting on technology.   

And rehab and treatment of back willbe more expensive than not having a job.

You are correct that the tax treatment of Airbnb business (emphasis on "business") is distinct from other forms of real estate investment - and that you should get clarity about that to incorporate into tax planning and investment ROI analysis.

Rul. 8429039, provided that a two-year holding period is sufficient to ensure treatment as a tax-free exchange (all other tests being met).