Amazon Category Reports

Weekly bestseller reports across 4 tracked categories

Sports Water Bottles

Home & Kitchen

High-velocity niche with strong private-label presence. Daily rank swings of 20+ positions common.

Beauty & Personal Care

Fast-growing skincare sub-niche. New entrants every week; review velocity critical.

Pet Supplies

Consumable-driven category with subscription momentum. Prime delivery a key differentiator.

Tools & Home Improvement

Seasonal spikes around holidays. Price compression visible year-over-year.

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Who sells what, who holds the buy box, and which brands the sellers also carry.

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