48
blue green algae
Skip itA small market ($58K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$24.53avg listing price — sweet spot $15–$100
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Price range
Great$6.97–$49.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good748.2avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Growth
Okay+6.4%90-day search growth — must beat 0% to launch
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$58K$58K/yr · 26K searches