60
oxygen concentrator
Worth a lookShows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.2%return rate — above 5% kills the launch gate
Market size
Great$1.6M$1.6M/yr · 3.4M searches
Brand share
Great51%top-5 brand share — no brand owns this niche
Competition
Great35%top-5 click share — an open shelf
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$101.13avg listing price — sweet spot $15–$100
Review moat
Okay3,780.71avg incumbent reviews — the moat a new listing must climb
Growth
Bad-2.9%90-day search growth — must beat 0% to launch
Price range
Bad$5.19–$638.87cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale