Making plans for your financial future is hard enough at the best of times, but when there are lots of unknowns it is even more difficult.
There may be uncertainty around basics, such as what your income will be from one week to the next, or one year to the next, and around what your outgoings will be, such as when you transition from a working life to retirement.
At a higher level, there may be uncertainties around which house, town or country you will be living in, or which career you will have.
There is always a temptation when there is uncertainty to not plan at all, because it is too hard. Yet planning is even more important when life is uncertain. The way to deal with uncertainties is to clearly separate them from the things that are certain.
Perhaps you have your own business or you work on commission, or work irregular hours.