And you got your diploma in fortune telling exactly where?
Sorry, I don't understand you.
What makes you so confident and extreme in your predictions.

By definition, the future is unknown and (to some extent) unknowable.

Why do you think you are an exception to this rule?

Note that often is is what we do NOT worry about that gets us. IMO life extension to rougly age 200 to 300 years will arrive well before the end of this century.

The rich die old.

Why 300?
Based on the ten or so books and four dozen articles I've read on the topic, the problems of extending life expectancy to age 300 seem to be near solution with current techniques. Beyond 300, it gets tougher.

Heinlein postulated life spans of 5,000 years, with the main cause of death ultimately resulting from boredom. But he thought of a way around that too . . . (which I will not reveal)

Read more Heinlein.

I've read about about 15 or so books on the subject plus seen quite a few infomercials. So I would have to claim to be more of an expert on this one. Trust me, 450 years is about the peak. Now that is with higher doses of geratol and the Maximum fiber diet.
Never met a transhumanist before? Then it's your lucky day ...