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anti siphon valve
Worth a lookShows a sweet-spot price point ($19.88 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$19.88avg listing price — sweet spot $15–$100
Price range
Great$5.65–$79.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+73.4%90-day search growth — must beat 0% to launch
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good612.14avg incumbent reviews — the moat a new listing must climb
Returns
Good2.4%return rate — above 5% kills the launch gate
Brand share
Good69%top-5 brand share — brands hold most of the demand
Conversion
Good4.8%search→purchase rate — share of searches ending in a sale
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Market size
Bad$44K$44K/yr · 46K searches