Easy riddles

It is young but not that old. It gives you money. What is it?

I have a little house in which I live all alone. It has no doors or windows, and if I want to go out I must break through the wall. What am I?

I am small and shy. I have eight legs. I eat bugs. I catch them in my web. I am a...

Never was, I am always to be. No one ever saw me, nor ever will. And yet I am the confidence of all, to live and breathe on this terrestrial ball. What am I?

If a man carried my burden He would break his back. I am not rich, but leave silver in my track.

What can you hold in your left hand, but not in your right hand?

Why is Santa so good at Karate?

Branches grow on its head; it wears spotted clothes. Not a donkey of a horse, it runs like the wind.

Which vehicle is spelled the same forwards and backwards?

Farmer Brown came to town with some watermelons. He sold half of them plus half a melon and found that he had one whole melon left. How many melons did he take to town?