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wasserhärte teststreifen
Skip itPrices mostly outside the sweet spot ($4.43–$12.74) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great9.8%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good975.8avg incumbent reviews — the moat a new listing must climb
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Avg price
Bad€7.65avg listing price — sweet spot $15–$100
Market size
Bad€53K€53K/yr · 71K searches
Growth
Bad-23.3%90-day search growth — must beat 0% to launch
Competition
Bad86%top-5 click share — a locked-up shelf
Price range
Bad€4.43–€12.74cheapest to priciest tracked listing — scored on the share inside $15–$100