40
17mm flange spectra
Skip itA concentrated shelf (top 5 take 83% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.05avg listing price — sweet spot $15–$100
Price range
Great$9.65–$32.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$334K$334K/yr · 111K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,933.91avg incumbent reviews — the moat a new listing must climb
Returns
Okay4.7%return rate — above 5% kills the launch gate
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-15.6%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf