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shark filter replacement

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Prices mostly outside the sweet spot ($5.50–$11.71) — this niche doesn't clear our bar today.

Market size 50Growth 14Conversion 93Competition 24Returns 97Price range 0Avg price 21Brand share 38Review moat 58Quality gap 53

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Conversion

Great11.4%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,160.75

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good£278K

£278K/yr · 327K searches

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Competition

Bad71%

top-5 click share — a locked-up shelf

Avg price

Bad£7.45

avg listing price — sweet spot $15–$100

Growth

Bad-22.2%

90-day search growth — must beat 0% to launch

Price range

Bad£5.50–£11.71

cheapest to priciest tracked listing — scored on the share inside $15–$100