45
hot tub serum
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$45.83avg listing price — sweet spot $15–$100
Price range
Good$21.09–$131.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+41.8%90-day search growth — must beat 0% to launch
Review moat
Okay1,613.33avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$34K$34K/yr · 6K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand