56
20 gallon reptile tank
Worth a lookShows beatable incumbent ratings (4.1★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Brand share
Great48%top-5 brand share — no brand owns this niche
Competition
Great29%top-5 click share — an open shelf
Review moat
Great343.38avg incumbent reviews — the moat a new listing must climb
Avg price
Good$102.91avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 6% kills the launch gate
Price range
Okay$6.04–$181.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+1.2%90-day search growth — must beat 0% to launch
Market size
Bad$86K$86K/yr · 114K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale