An estimated one half of seniors has not put aside enough money for their retirement years. In most cases, that means these seniors will have to keep working long after retirement age, at least part-time, in order to make ends meet and save enough money for today’s extended lifespans. The good news, however, is the Internet has led to increased opportunities to work from home, and people of all ages can take advantage of remote work opportunities to supplement their incomes, including seniors. The best jobs for seniors who wish to work from home include medical billing, bookkeeping, customer service representative, tax preparation and transcription work. If you're a senior considering a work-from-home job opportunity, check out the following questions and answers to learn more about your options.