45
sponge filter with air pump
Skip itBrand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$19.82avg listing price — sweet spot $15–$100
Price range
Good$4.87–$43.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Returns
Good2.5%return rate — above 6% kills the launch gate
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay$124K$124K/yr · 116K searches
Review moat
Bad9,674.63avg incumbent reviews — the moat a new listing must climb
Growth
Bad-7.8%90-day search growth — must beat 0% to launch
Brand share
Bad94%top-5 brand share — brand-locked demand