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harley davidson spark plugs
Skip itA small market ($78K/yr) — this niche doesn't clear our bar today.
Avg price
Great$18.88avg listing price — sweet spot $15–$100
Returns
Great1.7%return rate — above 5% kills the launch gate
Price range
Good$6.55–$38.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good612.07avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Growth
Good+42.4%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad73%top-5 click share — a locked-up shelf
Market size
Bad$78K$78K/yr · 71K searches
Brand share
Bad93%top-5 brand share — brand-locked demand