44
phytoplankton
Skip itA small market ($35K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 6% kills the launch gate
Avg price
Incredible$24.46avg listing price — sweet spot $15–$100
Review moat
Great274.45avg incumbent reviews — the moat a new listing must climb
Price range
Great$9.90–$44.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Growth
Bad-13.9%90-day search growth — must beat 0% to launch
Market size
Bad$35K$35K/yr · 37K searches