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water filter wrench
Worth a lookShows no brand lock-in (top 5 brands take 52% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Great52%top-5 brand share — no brand owns this niche
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Review moat
Great402.17avg incumbent reviews — the moat a new listing must climb
Competition
Great39%top-5 click share — an open shelf
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$14.01avg listing price — sweet spot $15–$100
Price range
Good$6.71–$28.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+6.6%90-day search growth — must beat 0% to launch
Returns
Okay4.3%return rate — above 5% kills the launch gate
Market size
Okay$105K$105K/yr · 90K searches