49
waterproof mattress topper
Skip itA deep review moat (27,927 avg reviews) — this niche doesn't clear our bar today.
Avg price
Incredible$41.59avg listing price — sweet spot $15–$100
Returns
Great1.8%return rate — above 5% kills the launch gate
Brand share
Great60%top-5 brand share — no brand owns this niche
Price range
Good$11.36–$147.14cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+6.9%90-day search growth — must beat 0% to launch
Market size
Bad$51K$51K/yr · 27K searches
Review moat
Bad27,926.75avg incumbent reviews — the moat a new listing must climb
Signals No Dominant Brand