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thermador water filter replacement
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$52.66avg listing price — sweet spot $15–$100
Review moat
Great311.78avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.3%return rate — above 5% kills the launch gate
Price range
Good$25.02–$140.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+13.1%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$138K$138K/yr · 39K searches
Competition
Bad85%top-5 click share — a locked-up shelf
Brand share
Bad98%top-5 brand share — brand-locked demand
Signals High Price