Can you afford to retire early, given you may live to 100? [Video]

William Ubbens, 93, is already almost a quarter century into his retirement, and is hoping for plenty more years ahead, with his pockets full.

At the start of the new millennium, Ubbens and his wife decided to start a new phase of their life. “My wife said, ‘That’s it. I want you to sell the business.”

So he sold his 45-year-old insurance firm to officially enter the golden years with his wife.

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Twenty-four years later and now a widower, Ubbens said he had managed to live comfortably, and still has enough money to last him until his 110th birthday. He credits his frugal lifestyle and hard work.

“I don’t waste money,” he said.

“People tell me, ‘Why don’t you buy a new car? You’ve got a 2010 Ford,”‘ Ubbens said. “But you know, the thing is, I’m old. So we have …