No plan is 100% fool proof.
Nothing in life is infallible.
There’s always risk, no matter how small the odds.
Things can (and do) go wrong.
So it’s important to have backup plans.
Hopefully you’ll never need them.
But in case you do, it is better to have backup plans, than it is to be caught completely unawares.
Backup plans can be the difference between surviving, and not surviving, a disaster, an unforeseen challenges.
Have backup plans.