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Winning the jackpot is not easy. Unless you're very lucky, it's never possible. I also find that where there are people who have been trying for a long time but they are getting success, then again someone new comers get that opportunity. In games like lottery or jackpot, roulette, whatever you say, all are lucky winners and those who are trying more they just to be a lucky one. And the mentioned winners are not an ordinary in the current context. As a result, they will remain in history.
Like being lucky is something you can have for life.

Anyone can be lucky at any moment, so winning a Jackpot is possible for everyone.
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But if we compute it in a way the prize would just be the guaranteed win($1 million), then a person doesn't limit his bet to $3 but bets $60 a day for the tickets for 50 years might have spent way more than the guaranteed win amount. , then the rhetoric you stated would be suitable for that jackpot winner

, but of course, the total money spent on the given scenario is way too little if we compared it to mega jackpots amounting to hundreds of millions to billions of dollars.
How on earth it can be guaranteed, mate?

Unless you cover all possible combinations(more than 300 million), it's not guaranteed, and with covering all of them you will surely be at a loss, unless you are one of them MIT students in the early 2000's, but that's another story, which will never happen again, btw.