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38

dumb and dumber costume women

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

Market size 0Growth 39Conversion 0Competition 26Returns 0Price range 94Avg price 95Brand share 54Review moat 70Quality gap 96

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$40.17

avg listing price — sweet spot $15–$100

Price range

Great$14.09–$67.98

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

Review moat

Good682.67

avg incumbent reviews — the moat a new listing must climb

Brand share

Good73%

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

Growth

Okay+10.9%

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

Competition

Okay70%

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

Market size

Bad$0

$0/yr · 65K searches

Conversion

Bad0.0%

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

Returns

Bad21.3%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

13

Top-5 brand share

73%

Open market

21%

  • Zaldita33%
  • EDAUWAE12%
  • SZIVYSHI11%
  • Fun Costumes9%
  • WGXX7%
  • Fiwawe6%

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%3%$06%$09%$012%$01101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 15 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 37 weeks — +10.9% search growth over the last 90 days.
13K8KSpike '26Oct '25Dec '25Jan '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Size-Overall100%

“Very beautiful and it fit perfectly”

What buyers complain about

Quality-Overall100%

“Cheaply made”

Top return reasons

Size-Overall56%
Chest Fit15%
Length5%
Waist Fit4%
Product Condition3%
Color3%
Comfort-Overall2%
Material Quality1%
Fastener Quality1%
Scratch Resistance1%