We’d previously highlighted the top startup failure post-mortems of all-time here (32 in total) written by a group of startup entrepreneurs gracious enough to share their lessons learned from their startup’s failure. Many of you read those post-mortems and asked, what are the most common reasons for failure cited across those posts? Well, we’ve done the work, and below are your answers. After a thorough analysis of those 32 start-up post-mortems, we have determined the common reasons founders gave to compile this list of the top 20 ways to have your startup fail. First, a handy chart to highlight the top 20 reasons for failure followed by an explanation of each reason and relevant examples from the the post-mortems.