50
brake fluid tester
Worth a lookShows searches that convert (10.0% search→purchase), but a concentrated shelf (top 5 take 81% of clicks) keeps it on the watch list.
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Returns
Great1.4%return rate — above 5% kills the launch gate
Review moat
Good841.38avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good$12.60avg listing price — sweet spot $15–$100
Market size
Good$305K$305K/yr · 241K searches
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Price range
Okay$4.47–$21.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+3.2%90-day search growth — must beat 0% to launch
Competition
Bad81%top-5 click share — a locked-up shelf