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16x20x1 air filter merv 8
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.4%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible$35.12avg listing price — sweet spot $15–$100
Price range
Incredible$29.02–$43.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.0%90-day search growth — must beat 0% to launch
Market size
Okay$148K$148K/yr · 31K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad23,188.33avg incumbent reviews — the moat a new listing must climb
Competition
Bad96%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand