Solve right problems.
If you get intuitive planning right, you can make mistakes that are correctable sooner.
Prevent old weak decisions from holding your future hostage.
Doing things is mistake prone, and some people are uncomfortable with that.
Cost vampires seem innocuous but cost huge over time.
Test cheap and evolve a better answer.
Seek practical. Life is always and everywhere about scarcity and tradeoffs.
The present provides hints of the future. Weigh the potential future cost against the price to avoid it.
Over-detailed plans are harder to sustain for as long as you need them. Have a strategy before tactics.
Use tactics and strategy for a unified plan.