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kardia mobile case
Skip itA small market ($37K/yr) — this niche doesn't clear our bar today.
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Returns
Good2.8%return rate — above 6% kills the launch gate
Review moat
Okay1,526.73avg incumbent reviews — the moat a new listing must climb
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Avg price
Okay$9.46avg listing price — sweet spot $15–$100
Competition
Bad71%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-9.7%90-day search growth — must beat 0% to launch
Price range
Bad$6.12–$17.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$37K$37K/yr · 53K searches