From old of mistakes to FIRE?

What does it mean? Can you give me an example?

I only know vested benefits in the form of company shares that are paid out on top of your salary and which you are not allowed to sell for example for 5 years. What does it have to do with the 2nd pillar?

I know that my boss has to pay some minimum to BVG, and then there is the voluntary part. He can put more, and it’s more tax efficient than paying it out as bonus. Is the new solution by VIAC going to apply in this scenario?