40
2 inch box spring king
Skip itPrices mostly outside the sweet spot ($103.31–$196.55) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Great58%top-5 brand share — no brand owns this niche
Review moat
Good680avg incumbent reviews — the moat a new listing must climb
Avg price
Good$125.52avg listing price — sweet spot $15–$100
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-9.8%90-day search growth — must beat 0% to launch
Returns
Bad7.4%return rate — above 5% kills the launch gate
Market size
Bad$56K$56K/yr · 13K searches
Price range
Bad$103.31–$196.55cheapest to priciest tracked listing — scored on the share inside $15–$100