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tankless water heater flushing kit
Skip itBrand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size
Great$1.7M$1.7M/yr · 323K searches
Review moat
Great410avg incumbent reviews — the moat a new listing must climb
Avg price
Great$99.19avg listing price — sweet spot $15–$100
Returns
Good2.4%return rate — above 5% kills the launch gate
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Okay$60.80–$157.56cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-22.3%90-day search growth — must beat 0% to launch
Competition
Bad85%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Signals High Price