46
spectra duckbill valve
Skip itBrand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible16.4%search→purchase rate — share of searches ending in a sale
Returns
Great1.5%return rate — above 5% kills the launch gate
Market size
Good$805K$805K/yr · 401K searches
Price range
Good$8.06–$27.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$12.26avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,535.8avg incumbent reviews — the moat a new listing must climb
Growth
Bad-11.6%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf
Brand share
Bad99%top-5 brand share — brand-locked demand