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toilet flapper 3 inch
Skip itA concentrated shelf (top 5 take 75% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.5%search→purchase rate — share of searches ending in a sale
Market size
Good$389K$389K/yr · 216K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay1,721.14avg incumbent reviews — the moat a new listing must climb
Avg price
Okay$11.67avg listing price — sweet spot $15–$100
Price range
Okay$5.86–$22.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+10.1%90-day search growth — must beat 0% to launch
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Returns
Bad5.6%return rate — above 5% kills the launch gate
Competition
Bad75%top-5 click share — a locked-up shelf
Signals High Returns