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power supply
Skip itPrices mostly outside the sweet spot ($78.50–$602.51) — this niche doesn't clear our bar today.
Review moat
Great453.07avg incumbent reviews — the moat a new listing must climb
Market size
Good$597K$597K/yr · 443K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Good+23.3%90-day search growth — must beat 0% to launch
Returns
Okay3.5%return rate — above 5% kills the launch gate
Avg price
Okay$275.12avg listing price — sweet spot $15–$100
Competition
Bad73%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Price range
Bad$78.50–$602.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Signals High Price