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calmi ring
Worth a lookShows beatable incumbent ratings (3.5★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Incredible3.5★avg incumbent rating — lower means beatable quality
Competition
Great25%top-5 click share — an open shelf
Brand share
Great47%top-5 brand share — no brand owns this niche
Review moat
Great243.77avg incumbent reviews — the moat a new listing must climb
Returns
Great1.3%return rate — above 5% kills the launch gate
Price range
Good£3.55–£26.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Avg price
Okay£9.86avg listing price — sweet spot $15–$100
Market size
Okay£101K£101K/yr · 361K searches
Growth
Bad-22.0%90-day search growth — must beat 0% to launch