50
septic tank filter
Worth a lookShows a sweet-spot price point ($43.96 avg), but a small market ($84K/yr) keeps it on the watch list.
Avg price
Incredible$43.96avg listing price — sweet spot $15–$100
Price range
Incredible$17.66–$89.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great136.33avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Returns
Okay3.2%return rate — above 5% kills the launch gate
Growth
Okay+8.9%90-day search growth — must beat 0% to launch
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Market size
Bad$84K$84K/yr · 31K searches