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ferrofluid
Skip itA small market ($33K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible75.35avg incumbent reviews — the moat a new listing must climb
Avg price
Great£59.14avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Returns
Good2.0%return rate — above 5% kills the launch gate
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Brand share
Good69%top-5 brand share — brands hold most of the demand
Price range
Okay£3.49–£256.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-22.0%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Market size
Bad£33K£33K/yr · 60K searches