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waterproof mattress protector small double
Skip itPrices mostly outside the sweet spot ($5.81–$14.74) — this niche doesn't clear our bar today.
Conversion
Incredible16.3%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.57avg listing price — sweet spot $15–$100
Growth
Bad-14.9%90-day search growth — must beat 0% to launch
Review moat
Bad17,200.73avg incumbent reviews — the moat a new listing must climb
Market size
Bad£51K£51K/yr · 33K searches
Price range
Bad£5.81–£14.74cheapest to priciest tracked listing — scored on the share inside $15–$100