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whr1rxd1 water filter replacement
Skip itA concentrated shelf (top 5 take 93% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.8%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$31.53avg listing price — sweet spot $15–$100
Price range
Incredible$17.71–$51.10cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Market size
Okay$248K$248K/yr · 57K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-7.3%90-day search growth — must beat 0% to launch
Review moat
Bad15,200.13avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Competition
Bad93%top-5 click share — a locked-up shelf