33
csst gas line 1/2
Skip itA small market ($11K/yr) — this niche doesn't clear our bar today.
Avg price
Great$46.80avg listing price — sweet spot $15–$100
Price range
Great$29.26–$101.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great189.75avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Returns
Okay4.7%return rate — above 5% kills the launch gate
Competition
Bad73%top-5 click share — a locked-up shelf
Growth
Bad-22.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Market size
Bad$11K$11K/yr · 22K searches
Signals Low Review Barrier