35
foam board
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$21.00avg listing price — sweet spot $15–$100
Price range
Great$9.42–$35.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$666K$666K/yr · 1.3M searches
Returns
Good2.4%return rate — above 6% kills the launch gate
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Review moat
Okay3,641.6avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-5.1%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand