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iphone 7 plus battery
Skip itA small market ($38K/yr) — this niche doesn't clear our bar today.
Review moat
Great315.25avg incumbent reviews — the moat a new listing must climb
Avg price
Great$18.07avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Conversion
Great7.7%search→purchase rate — share of searches ending in a sale
Price range
Great$10.44–$29.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good67%top-5 brand share — brands hold most of the demand
Returns
Okay3.1%return rate — above 5% kills the launch gate
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Growth
Bad-23.0%90-day search growth — must beat 0% to launch
Market size
Bad$38K$38K/yr · 27K searches