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21 inch wiper blades
Skip itA small market ($36K/yr) — this niche doesn't clear our bar today.
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.36avg listing price — sweet spot $15–$100
Returns
Great2.0%return rate — above 5% kills the launch gate
Price range
Good$4.82–$38.49cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Review moat
Bad23,469.12avg incumbent reviews — the moat a new listing must climb
Growth
Bad-29.8%90-day search growth — must beat 0% to launch
Market size
Bad$36K$36K/yr · 28K searches