Answer:
What can go up but never come down?
What shoes should you wear when your basement is flooded?
It can be done to buttons and shopping carts. What is it?
What is always on its way but never arrives?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.