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iphone 16 plus waterproof case
Skip itA small market ($55K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$25.32avg listing price — sweet spot $15–$100
Price range
Great$9.00–$71.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.9%return rate — above 5% kills the launch gate
Growth
Okay+8.4%90-day search growth — must beat 0% to launch
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Review moat
Bad16,442.26avg incumbent reviews — the moat a new listing must climb
Market size
Bad$55K$55K/yr · 81K searches