50
diamond sharpening stones
Worth a lookShows low returns (0.6%), but soft demand (-18.5% this quarter) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Incredible£24.83avg listing price — sweet spot $15–$100
Price range
Great£7.41–£115.22cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Market size
Okay£122K£122K/yr · 118K searches
Review moat
Okay3,996.66avg incumbent reviews — the moat a new listing must climb
Growth
Bad-18.5%90-day search growth — must beat 0% to launch