The point was - I believe - having an exit strategy no matter how great the advances look in whatever position you have whatever investment it is get ready to have a bail out plan.
You can ride the tigers back for only so long before the tiger gets hungry and eats you. Like Tatiana tried to do at the SF Zoo to those three drunk drugged slackers. I wonder just what the heck it was they did to get Tatiana to jump into the gully and claw her way up to the railing and over the railing for some meat on the hoof..
Otherwise, buy low and sell high or is it buy high and sell low or maybe get high so you won't be low???