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petkit water fountain filters
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible24.9%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.3%return rate — above 6% kills the launch gate
Price range
Incredible$17.87–$24.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$20.27avg listing price — sweet spot $15–$100
Review moat
Good541.4avg incumbent reviews — the moat a new listing must climb
Market size
Good$342K$342K/yr · 68K searches
Growth
Okay+14.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand