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36

toddler ghost costume girl

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A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 70Conversion 0Competition 26Returns 6Price range 62Avg price 80Brand share 59Review moat 97Quality gap 27

Review moat

Incredible55.4

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.12

avg listing price — sweet spot $15–$100

Growth

Good+51.5%

90-day search growth — must beat 0% to launch

Price range

Good$4.38–$32.66

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good69%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Returns

Bad10.5%

return rate — above 6% kills the launch gate

Market size

Bad$0

$0/yr · 70K searches

Conversion

Bad0.0%

search→purchase rate — share of searches ending in a sale

Competition

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

10

Top-5 brand share

69%

Open market

22%

  • Coyciu27%
  • Rarjuiey13%
  • Dobeiokal10%
  • Mokoggiri10%
  • Bonangber9%
  • RWYBEIW9%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$010%$015%$020%$01101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 9 weeks — +51.5% search growth over the last 90 days.
7050Spike '26Dec '25Dec '25Jan '26Jan '26Jan '26Jun '26Jun '26Jun '26Jul '26

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Warmth33%

“I can definitely see this being worn in both warm and cold weather”

Size-Overall33%

“it wasn't a uncomfortable fit for her”

Soft Feel33%

“Really soft and cute”

What buyers complain about

Size-Overall33%

“It just was a tad bit tight”

Top return reasons

Size-Overall37%
Length21%
Material Quality16%
Thin11%
Quality-Overall5%
Sleeve Fit5%
Product Condition5%