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sim card adapter
Skip itA small market ($69K/yr) — this niche doesn't clear our bar today.
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Returns
Great1.4%return rate — above 5% kills the launch gate
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good1,223.07avg incumbent reviews — the moat a new listing must climb
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Growth
Okay+1.7%90-day search growth — must beat 0% to launch
Competition
Bad70%top-5 click share — a locked-up shelf
Avg price
Bad$8.33avg listing price — sweet spot $15–$100
Market size
Bad$69K$69K/yr · 80K searches
Price range
Bad$3.94–$17.29cheapest to priciest tracked listing — scored on the share inside $15–$100