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luftmassenmesser
Skip itHigh returns (9.0%) — this niche doesn't clear our bar today.
Avg price
Great€47.61avg listing price — sweet spot $15–$100
Price range
Great€18.57–€101.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great167.1avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Competition
Great33%top-5 click share — an open shelf
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Market size
Okay€116K€116K/yr · 100K searches
Growth
Okay+0.0%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
Returns
Bad9.0%return rate — above 5% kills the launch gate
Signals High Returns