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britta water filters replacements or similar long last filter
Worth a lookShows low returns (0.6%), but a deep review moat (40,081 avg reviews) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$22.27avg listing price — sweet spot $15–$100
Price range
Great$8.86–$49.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.8%search→purchase rate — share of searches ending in a sale
Brand share
Good67%top-5 brand share — brands hold most of the demand
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Market size
Okay$140K$140K/yr · 80K searches
Growth
Bad-3.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad40,080.5avg incumbent reviews — the moat a new listing must climb