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roof underlayment
Skip itWeak search conversion (1.1%) — this niche doesn't clear our bar today.
Review moat
Incredible89.5avg incumbent reviews — the moat a new listing must climb
Avg price
Great$78.30avg listing price — sweet spot $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Growth
Good+22.5%90-day search growth — must beat 0% to launch
Price range
Okay$8.32–$186.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Returns
Bad5.0%return rate — above 5% kills the launch gate
Market size
Bad$59K$59K/yr · 66K searches
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale