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delta shower cartridge
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$29.99avg listing price — sweet spot $15–$100
Price range
Incredible$15.29–$56.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.2%search→purchase rate — share of searches ending in a sale
Review moat
Good666.85avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Good$669K$669K/yr · 271K searches
Competition
Bad76%top-5 click share — a locked-up shelf
Growth
Bad-13.0%90-day search growth — must beat 0% to launch
Returns
Bad7.7%return rate — above 5% kills the launch gate
Brand share
Bad98%top-5 brand share — brand-locked demand
Signals High Returns