Answer:
Spies and detectives do this to phones and musical shoes make this sound.
I am the first you ever saw, what greets you every morning and what goes out in the end.
Low on cash? Pick out items from this rack.
No matter how little or how much you use me, you change me every month. What am I?
What can't you see, hear or feel, until itβs too late. What shadows love, and shopkeepers hate?
I am owned by Old McDonald.