30
big bang theory
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Incredible33.83avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Good£13.58avg listing price — sweet spot $15–$100
Price range
Good£5.20–£30.82cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-0.9%90-day search growth — must beat 0% to launch
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Market size
Bad£15K£15K/yr · 138K searches
Competition
Bad96%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Signals Low Review Barrier