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garage door battery
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.6%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$40.26avg listing price — sweet spot $15–$100
Price range
Great$17.55–$119.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Market size
Great$899K$899K/yr · 143K searches
Growth
Okay+5.9%90-day search growth — must beat 0% to launch
Review moat
Bad6,485.4avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand