A Guide to Launching a Successful Business After 50

Starting a business after 50 can be a great way to add years to your career or earn extra income in retirement. Dreamstime/TCABy Diane Harris From Kiplinger’s Personal FinanceHere’s a quick pop quiz: What do Ray Kroc, Colonel Sanders, Arianna Huffington, Bernie Marcus and Grandma Moses have in common? Answer: They all launched highly successful businesses—McDonald’s, KFC, a major media company, The Home Depot and a career as a preeminent folk-art painter—after age 50.