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cast iron rust remover
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Incredible12.8%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.43avg listing price — sweet spot $15–$100
Price range
Great$9.83–$33.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Okay+18.6%90-day search growth — must beat 0% to launch
Review moat
Okay1,970avg incumbent reviews — the moat a new listing must climb
Market size
Okay$165K$165K/yr · 78K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand