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saltwater test kit
Skip itA concentrated shelf (top 5 take 83% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible1.0%return rate — above 6% kills the launch gate
Avg price
Great$53.75avg listing price — sweet spot $15–$100
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$288K$288K/yr · 82K searches
Price range
Okay$9.79–$195.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,100.7avg incumbent reviews — the moat a new listing must climb
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Growth
Bad-12.6%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf