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1500w power supply
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great256.43avg incumbent reviews — the moat a new listing must climb
Market size
Good$537K$537K/yr · 70K searches
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Avg price
Okay$318.21avg listing price — sweet spot $15–$100
Growth
Bad-5.0%90-day search growth — must beat 0% to launch
Returns
Bad5.5%return rate — above 5% kills the launch gate
Competition
Bad92%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$219.90–$457.29cheapest to priciest tracked listing — scored on the share inside $15–$100