42
tryptophan
Skip itA small market ($37K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good772.7avg incumbent reviews — the moat a new listing must climb
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.52avg listing price — sweet spot $15–$100
Growth
Bad-12.7%90-day search growth — must beat 0% to launch
Competition
Bad81%top-5 click share — a locked-up shelf
Price range
Bad£6.59–£16.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad£37K£37K/yr · 45K searches
Signals Low Review Barrier