Fix n flips are typically dealer status income not capital gain.  

My understanding is the seller bought with seller financing significantly below market value and has the capital to pay the near due balloon if needed.The seller is the one who proposed SF due to (I assume) capital gains. 

Work life balance is valuable.I personally believe you are on the correct path for you with passive investing of syndications. 

In July, the U.S. commercial real estate market experienced mixed results, with property price gains slowing, particularly among individual investors.

The long term capital gains rate for many people is Federal 20%. 

I've received different advice - on one extreme is sell off all your rentals, take the cash and take the capital gains tax hit and invest in stocks/index funds (not from a RE investor, from people I know who are horrified that I have more than one mortgage), which I won't do.

The cap gains will be over 300k.

I have done several evictions on my own in the past simply to gain knowledge.

I'm trying to learn as much as possible to gain the confidence needed to invest in my first property.

It's all about your time horizon and if you are more focused on immediate gains, or long term appreciation.