Answer:
I go in hard come out soft. Blow me hard and Iβll make a pop.
Digital white-out.
A large oasis in the desert. Come with cash and leave with none.
I go up, let out a load and then go back down. What am I?
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?