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egr valve
Worth a lookShows a thin review moat (79 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible79.09avg incumbent reviews — the moat a new listing must climb
Competition
Incredible18%top-5 click share — an open shelf
Avg price
Incredible$43.12avg listing price — sweet spot $15–$100
Brand share
Great46%top-5 brand share — no brand owns this niche
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Market size
Good$516K$516K/yr · 527K searches
Price range
Okay$5.40–$197.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Growth
Bad-12.1%90-day search growth — must beat 0% to launch
Returns
Bad7.6%return rate — above 5% kills the launch gate