43
500gb external hard drive
Skip itA deep review moat (42,668 avg reviews) — this niche doesn't clear our bar today.
Avg price
Incredible£25.91avg listing price — sweet spot $15–$100
Price range
Incredible£18.74–£50.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Market size
Okay£139K£139K/yr · 104K searches
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Growth
Bad-11.8%90-day search growth — must beat 0% to launch
Competition
Bad84%top-5 click share — a locked-up shelf
Review moat
Bad42,668.36avg incumbent reviews — the moat a new listing must climb