Recently there came to mind a want ad I saw on the net.
It was for time travel.
If I remember it correctly, it went like this:
Someone to go back in time with me. This is not a joke. P.O. Box 322, Oakview, CA, 93022. You'll get paid after we get back. Must bring your own weapons. Safety not guaranteed. I've only done this once before.
I haven't heard or seen if things went well.
Then there was the man who would try to travel back in time and change history. He told his friends, "You'll know I've succeeded if Germany loses World War II and Wednesday comes after Tuesday."
He must've succeeded.