For print-on-demand sellers on Merch by Amazon, competition rules everything. You can have the slickest design or the cleverest slogan, but if you’re stepping into a saturated niche, your product may never get seen. Merch Informer’s Competition Checker is your antidote. It goes beyond guesswork—using data-driven insights into how many listings compete for your target keywords, their BSR performance, pricing trends, and much more. In this guide, you’ll learn: What the Competition Checker does at a glance Why it matters for your merch business How to access and interpret key metrics Real-world workflows using the tool Advanced strategies for niche mastery Mistakes to avoid Step-by-step launch checklist Let’s dive in. 1. What Is Competition Checker—And What It Shows You Imagine […]










