Answer:
What goes through towns and over hills but never moves?
Poor people have it. Rich people need it. If you eat it you die. What is it?
What can go up but never come down?
Whipping one of these out in the wrong setting is said to be terrible luck.
Prior to smartphones, people used this to record their lives.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.