40
80 inch shower curtain liner
Skip itA deep review moat (63,949 avg reviews) — this niche doesn't clear our bar today.
Conversion
Great9.9%search→purchase rate — share of searches ending in a sale
Returns
Great1.4%return rate — above 5% kills the launch gate
Avg price
Okay$11.88avg listing price — sweet spot $15–$100
Price range
Okay$7.74–$19.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Growth
Okay+1.8%90-day search growth — must beat 0% to launch
Market size
Bad$59K$59K/yr · 50K searches
Review moat
Bad63,948.72avg incumbent reviews — the moat a new listing must climb