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delta 1700 series cartridge
Skip itA concentrated shelf (top 5 take 87% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible12.4%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$26.47avg listing price — sweet spot $15–$100
Price range
Incredible$21.05–$56.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great160.11avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Market size
Bad$86K$86K/yr · 26K searches
Growth
Bad-8.5%90-day search growth — must beat 0% to launch
Returns
Bad6.8%return rate — above 5% kills the launch gate
Competition
Bad87%top-5 click share — a locked-up shelf
Signals High Returns