40
potassium chloride water softener
Skip itA small market ($22K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Review moat
Great297.86avg incumbent reviews — the moat a new listing must climb
Avg price
Great$92.82avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Growth
Bad-0.6%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
Price range
Bad$22.28–$719.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$22K$22K/yr · 20K searches
Signals High Price