This is the single biggest concern of people who are saving for retirement. Once I retire will I have enough to last the rest of my life? It is an important question.
Here's a video of one of the exciting strategies that could get you to your goals.
If you put $1 million into this strategy in 2000 you would still have about a million. Compare that to just putting it in the S&P, you would've ran out of money in 2016!
If you're interested in strategies like this please reach out to me to discuss your specific situation.