A riddle to ponder

[Sourskunk]

- Uncles and brothers have I none, but that man's father is my father's son.  Who is he?

"That man's father is"...me. He is my son.

- The maker doesn't want it, the buyer doesn't use it, and the user does not see it.  What is it?

The maker wants something, the buyer uses something, the user sees something, therefore the answer is...nothing.

What five-letter word does even the smartest of people pronounce wrong?

Good Question

I never was, am always to be, no one ever saw me, nor will ever see.  What am I?

The future.

What is the beginning of eternity, the end of time and space, the beginning of every end, and the end of every place?

I don't knowe.

Couldn't figure out the other two.

Edit: Ok, got a couple wrong, fun anyway :).