So it's better to enter the pool when CUB is up and exit when CUB is the lowest. Easier said than done, right? Tell me about it.

Exactly this ... Easier said than done of course, and it depends also on the goal you have here. Is it to make as much CUB as you possibly can? Or is if for the quick gains in dollars? So many people, so many reasons, so many strategies. And which one is the best.

But if you go for the CUBS in the long term, you are definitely right with this strategy.