Not all problems need solutions. They are simply not worth solving. So, it is best to leave them alone, and they may go away.
We must manage a few risks proactively before they become issues or problems. So, we must watch them like a hawk and get them sorted.
Few solutions are so sleek that we may like to throw them at random problems. Avoid this way of thinking.
Many problems are intertwined with functional things. So, when we fix the problem, the functional things break.
Often we find ourselves solving the wrong problem. The root cause is not apparent.
The art of problem-solving is multi-disciplinary faculty that shines with experience and deep learning. If you have unlimited time and resources, learn to solve every problem. But, if you are not that lucky, relying on a specialist you can trust is much more sensible!