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doorbell transformer 16v 30va
Skip itHigh returns (9.5%) — this niche doesn't clear our bar today.
Conversion
Incredible15.1%search→purchase rate — share of searches ending in a sale
Avg price
Great$18.51avg listing price — sweet spot $15–$100
Price range
Great$12.62–$24.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,275.1avg incumbent reviews — the moat a new listing must climb
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Growth
Bad-0.7%90-day search growth — must beat 0% to launch
Market size
Bad$82K$82K/yr · 29K searches
Competition
Bad79%top-5 click share — a locked-up shelf
Returns
Bad9.5%return rate — above 5% kills the launch gate
Signals High Returns