Gonna be honest. would be very tempted to cash out if it meant I could bank my mortgage payment every month for the rest of my life. I've been mortgage free for 5 years, it changes your life.
Have a goal, when it gets there, sell and never look back. Only drives you nuts if you do look back and see what might have been.
I'm saying this as a guy who thinks if the tech works the floor on this thing is $0.50.
And remember taxes. No one ever remembers taxes. 15% long term, like additional salary on short term.