51
Kidney Belt
Worth a lookShows no brand lock-in (top 5 brands take 24% of clicks), but a small market ($40K/yr) keeps it on the watch list.
Brand share
Incredible24%top-5 brand share — no brand owns this niche
Avg price
Incredible$32.89avg listing price — sweet spot $15–$100
Competition
Great22%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$5.00–$148.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.3%return rate — above 5% kills the launch gate
Review moat
Bad12,917.28avg incumbent reviews — the moat a new listing must climb
Growth
Bad-12.6%90-day search growth — must beat 0% to launch
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$40K$40K/yr · 87K searches
Signals No Dominant Brand