44
honda gx390 spark plug
Skip itBrand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible20.2%search→purchase rate — share of searches ending in a sale
Returns
Great1.4%return rate — above 5% kills the launch gate
Review moat
Good599.29avg incumbent reviews — the moat a new listing must climb
Market size
Good$318K$318K/yr · 158K searches
Price range
Good$4.13–$25.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$9.97avg listing price — sweet spot $15–$100
Growth
Okay+2.3%90-day search growth — must beat 0% to launch
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad99%top-5 brand share — brand-locked demand