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gravitrax
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great£21.56avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Price range
Great£6.98–£64.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good542.1avg incumbent reviews — the moat a new listing must climb
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.3%search→purchase rate — share of searches ending in a sale
Market size
Okay£152K£152K/yr · 212K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-32.2%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand