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20x25x1 air filter merv 5
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Incredible$37.10avg listing price — sweet spot $15–$100
Price range
Incredible$33.40–$42.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+72.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad15,015.5avg incumbent reviews — the moat a new listing must climb
Market size
Bad$37K$37K/yr · 8K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand