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77mm polarizing filter
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$65.70avg listing price — sweet spot $15–$100
Conversion
Great9.4%search→purchase rate — share of searches ending in a sale
Review moat
Good1,361.94avg incumbent reviews — the moat a new listing must climb
Price range
Okay$10.28–$191.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+12.9%90-day search growth — must beat 0% to launch
Returns
Okay4.1%return rate — above 5% kills the launch gate
Market size
Okay$170K$170K/yr · 28K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
Signals High Price