In preparing for battle, plans are useless but planning is indispensable.
Dwight D. Eisenhower.
Whether unplugged and dependent on only yourself, or faced with an uncertain situation, which may go haywire, you need to plan. Planning itself is a perfect exercise where you realize the goal while identifying both risks and stakeholders. Do not, however, feel obliged to follow the plan! If a yellow light pops up as a warning, stop and reconsider. Take the best from the plan and proceed in a new direction, if that is what is called for. And, yes, this goes for business models as well as safety challenges; observe the yellow light and do not get stuck in old patterns.
As for prioritization, I may get to Eisenhower as the prequel to Covey’s exquisite priority quadrants at a later date…