tl;dr for those who read the definitions but don't want to Get Got.

* Understand the difference between the value of something and the cost of the thing.

* Understand opportunity cost (and sunk cost).

Get Got when when value is high and opportunity cost is low.

Get compact when value is high but opportunity cost is non trivial.

Get Gone when value is low and opportunity cost is high.

Get ready when cost as well as sunk cost is high.