Technical debt is a quiet loan with a loud repayment: pay it down on purpose, ship with an off switch, and never trade safety for speed.
Use it now · Decide
Prioritisation board
RICE plus cost of delay, a four-box view, and "not now, and here's why" notes.
Use it now · Pantry
Pre-mortem board
Imagine the launch failed, then work backwards to the risks you can still fix while they're cheap.
That's the lesson. Next up: The Camera in the Drawer.