38
4 pin light bulbs
Skip itPrices mostly outside the sweet spot ($5.06–$10.91) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great292.81avg incumbent reviews — the moat a new listing must climb
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Returns
Bad6.0%return rate — above 5% kills the launch gate
Avg price
Bad£7.69avg listing price — sweet spot $15–$100
Market size
Bad£38K£38K/yr · 54K searches
Growth
Bad-32.9%90-day search growth — must beat 0% to launch
Price range
Bad£5.06–£10.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Returns