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nema 14-30 to 14-50 adapter
Skip itHigh returns (9.3%) — this niche doesn't clear our bar today.
Avg price
Incredible$39.62avg listing price — sweet spot $15–$100
Review moat
Great427.78avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.8%search→purchase rate — share of searches ending in a sale
Growth
Good+25.7%90-day search growth — must beat 0% to launch
Price range
Okay$11.38–$190.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$82K$82K/yr · 30K searches
Returns
Bad9.3%return rate — above 5% kills the launch gate
Signals High Returns