Getty Images; Jenny Chang-Rodriguez/BIMore than 3,600 older Americans have shared their financial and other regrets with Business Insider.Many said they regretted relying on government programs designed to keep them out of poverty.This is part of an ongoing series about older Americans' regrets.America is getting older — and that shift is straining the federal programs meant to keep older people out of poverty.Since mid-September, more than 3,600 older adults have shared their life regrets with Business Insider through reader surveys and direct emails.