34
filament runout sensor
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$47.81avg listing price — sweet spot $15–$100
Price range
Great$12.65–$82.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great220.15avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Returns
Bad5.7%return rate — above 5% kills the launch gate
Competition
Bad75%top-5 click share — a locked-up shelf
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$59K$59K/yr · 88K searches
Growth
Bad-20.6%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Returns