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canon ef to sony e mount adapter
Skip itHigh returns (12.0%) — this niche doesn't clear our bar today.
Review moat
Great143.27avg incumbent reviews — the moat a new listing must climb
Avg price
Great$79.42avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Great$14.01–$127.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Growth
Okay+4.0%90-day search growth — must beat 0% to launch
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$83K$83K/yr · 50K searches
Returns
Bad12.0%return rate — above 5% kills the launch gate