42
thompsons water seal
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great£18.48avg listing price — sweet spot $15–$100
Price range
Great£10.76–£34.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,283.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+5.3%90-day search growth — must beat 0% to launch
Market size
Bad£59K£59K/yr · 20K searches
Competition
Bad97%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand