This product obstacle timeline depicts potential roadblocks during a product launch and how they can be avoided before they become runaway locomotives. Every PMM has an inner perfectionist, but despite the world of the good we bring to the table, the perfect product launch remains elusive, with pesky potential barriers waiting to rear their head, stymie your progress, or even halt your project entirely. Although the occasional hiccup is unavoidable when launching a product, this does not mean that product marketers should accept a troubled launch.