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tennis trainer
Skip itA concentrated shelf (top 5 take 96% of clicks) — this niche doesn't clear our bar today.
Quality gap
Incredible3.7★avg incumbent rating — lower means beatable quality
Returns
Great1.7%return rate — above 5% kills the launch gate
Avg price
Great£16.94avg listing price — sweet spot $15–$100
Review moat
Great482.83avg incumbent reviews — the moat a new listing must climb
Price range
Good£7.84–£28.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+12.0%90-day search growth — must beat 0% to launch
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Market size
Bad£56K£56K/yr · 103K searches
Brand share
Bad96%top-5 brand share — brand-locked demand
Competition
Bad96%top-5 click share — a locked-up shelf
Signals Quality Gap