55
alum stone
Worth a lookShows low returns (0.9%), but a small market ($58K/yr) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Great$21.07avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great343.5avg incumbent reviews — the moat a new listing must climb
Price range
Good$5.35–$36.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+36.4%90-day search growth — must beat 0% to launch
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Market size
Bad$58K$58K/yr · 54K searches