Answer:
What can you lose that will cause other people to lose theirs too?
What instrument can you hear but never see?
Tickle with your fingers and a song it will sing. Be careful, though, you may break a string. What is it?
What goes inside boots and outside shoes?
Low on cash? Pick out items from this rack.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?