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navionics
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great130.73avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Growth
Good+42.8%90-day search growth — must beat 0% to launch
Avg price
Good$149.34avg listing price — sweet spot $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.3%return rate — above 5% kills the launch gate
Market size
Okay$116K$116K/yr · 40K searches
Conversion
Bad2.0%search→purchase rate — share of searches ending in a sale
Price range
Bad$68.11–$208.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals High Price