42
digital water tester
Skip itA concentrated shelf (top 5 take 94% of clicks) — this niche doesn't clear our bar today.
Conversion
Great11.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$19.82avg listing price — sweet spot $15–$100
Price range
Great$6.51–$87.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.5%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$199K$199K/yr · 87K searches
Review moat
Bad4,817.88avg incumbent reviews — the moat a new listing must climb
Brand share
Bad94%top-5 brand share — brand-locked demand
Growth
Bad-28.4%90-day search growth — must beat 0% to launch
Competition
Bad94%top-5 click share — a locked-up shelf