How to Validate an Amazon Product Idea Before You Spend a Dollar

Every failed product launch has a moment where the seller could have seen it coming. Before you ever contact a supplier, run your idea through these five filters: search volume trend, review velocity of top competitors, true landed-cost margin, seasonality risk, and differentiation potential.

If an idea can’t survive all five, it’s not that it’s a bad product — it’s that it isn’t ready yet. Most winning products need one more round of refinement before they’re worth the capital.