42
foam board
Skip itA small market ($27K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$45.58avg listing price — sweet spot $15–$100
Review moat
Great318avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Good$5.03–$138.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Returns
Okay4.5%return rate — above 5% kills the launch gate
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-8.7%90-day search growth — must beat 0% to launch
Market size
Bad$27K$27K/yr · 32K searches
Signals Low Review Barrier