Tech Insider : Economy, Business, Style
Photo collage of a construction worker in her older years
Nearly 550,000 Americans 80 and older are still working, and the number is rising.

Harvey Mendelson is no stranger to reinvention.

Tech Insider : Economy, Business, Travel
Bernita at her Table
Bernita Clark, 82, makes costumes for her daughter's 12-foot-tall skeleton.

Sitting at her sewing machine, Bernita Clark, 82, guides a piece of blue fabric as the needle bobs up and down. To her side sit scissors, measuring tape, thread, and a skull.

Tech Insider : Economy, Business
A collage of an older worker.
 Some Americans are working in their 80s for fulfillment and social benefits.
Tech Insider : Economy, Business
Face with coins and piggy bank around him
Dozens of older Americans told Business Insider their biggest regrets about their finances in retirement.
Tech Insider : Economy, Economy
older woman wearing a pearl necklace
Pamela Shields, 67, works part-time jobs to supplement her Social Security income.
Tech Insider : Economy
Woman looking regretful with images of a wedding ring, piggy bank and laptop surrounding her
About 1,200 Americans told Business Insider what they wish they'd done differently when saving for retirement.
Tech Insider : Economy, Economy
a woman stands in the aisle of a grocery store
More Americans are leaning on safety nets like SNAP and Social Security to afford basics.