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diamond knife sharpener
Worth a lookShows a sweet-spot price point ($42.32 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$42.32avg listing price — sweet spot $15–$100
Competition
Great28%top-5 click share — an open shelf
Returns
Great1.8%return rate — above 5% kills the launch gate
Price range
Good$6.39–$146.76cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good71%top-5 brand share — brands hold most of the demand
Market size
Good$298K$298K/yr · 197K searches
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,979.56avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-0.4%90-day search growth — must beat 0% to launch