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rust inhibitor spray
Skip itA small market ($44K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible$24.61avg listing price — sweet spot $15–$100
Price range
Great$6.48–$90.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Growth
Okay+8.5%90-day search growth — must beat 0% to launch
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad5,668.86avg incumbent reviews — the moat a new listing must climb
Market size
Bad$44K$44K/yr · 58K searches