Not every innovation is destined to succeed. Some ideas might sound promising on paper but fail to meet real-world consumer needs. And these flops aren’t always easy to prevent— even the most successful companies make mistakes that end up costing millions. From the infamous Ford Edsel to Colgate-branded frozen meals, there’s no shortage of failed products that should have never left the drawing board. Join us on a journey through 10 of the biggest commercial failures of all time!