45
nest thermostat battery
Skip itSoft demand (-22.4% this quarter) — this niche doesn't clear our bar today.
Quality gap
Incredible3.8★avg incumbent rating — lower means beatable quality
Conversion
Great10.6%search→purchase rate — share of searches ending in a sale
Avg price
Great$20.67avg listing price — sweet spot $15–$100
Review moat
Great411.59avg incumbent reviews — the moat a new listing must climb
Price range
Good$6.74–$139.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Competition
Bad70%top-5 click share — a locked-up shelf
Returns
Bad5.0%return rate — above 5% kills the launch gate
Market size
Bad$59K$59K/yr · 27K searches
Growth
Bad-22.4%90-day search growth — must beat 0% to launch