What word is pronounced the same if you take away four of its five letters?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

What goes up but never comes down?

What can you catch but never throw?

What has 88 keys?

People put me on the table and cut me but do not eat me. What am I?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

What runs around the whole yard without moving?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Can anyone tell me a word in the English dictionary which has a silent 'z'?