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engine block heater
Skip itSoft demand (-89.9% this quarter) — this niche doesn't clear our bar today.
Review moat
Great114.84avg incumbent reviews — the moat a new listing must climb
Avg price
Great$60.94avg listing price — sweet spot $15–$100
Brand share
Great53%top-5 brand share — no brand owns this niche
Competition
Great38%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$12.86–$153.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.4%return rate — above 5% kills the launch gate
Market size
Okay$110K$110K/yr · 340K searches
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-89.9%90-day search growth — must beat 0% to launch