Quote: "3) No negative effects from my wishes."
False, the very nature of wishes is to be negitive, didn't you ever read "The Monkey Paw"? In any case that wish is way to vauge to save you from anything.
Quote: "2) Control over time (stop, rewind, ff, play... like a vcr )"
You did say anything about changing time, if you try to go back in time you will just do what you did the first time, then once you reach the point where you went back in time you'll do it over again, create a pardox and nullify the universe.
As you can tell I've DM'ed a few wish spells.
DDR is the best form of exercise money can buy.