If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

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 is so fragile that saying its name breaks it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What goes up but never comes down?

The more it dries, the wetter it becomes. Can you tell what it is?

What is at the end of a rainbow?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?