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roomba 900 ersatzteile
Skip itA small market ($20K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible€24.65avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Price range
Good€6.12–€135.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good75%top-5 brand share — brands hold most of the demand
Review moat
Okay2,833avg incumbent reviews — the moat a new listing must climb
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-21.7%90-day search growth — must beat 0% to launch
Market size
Bad€20K€20K/yr · 10K searches
Signals Low Review Barrier