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amy winehouse costume

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High returns (13.4%) — this niche doesn't clear our bar today.

Market size 6Growth 22Conversion 65Competition 12Returns 0Price range 83Avg price 92Brand share 33Review moat 46Quality gap 85

Avg price

Great$21.70

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great$12.94–$27.04

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

Conversion

Good5.8%

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

Review moat

Okay1,922.5

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay85%

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

Growth

Bad-6.9%

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

Competition

Bad85%

top-5 click share — a locked-up shelf

Market size

Bad$25K

$25K/yr · 20K searches

Returns

Bad13.4%

return rate — above 6% kills the launch gate

Competition

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

21

Top-5 brand share

85%

Open market

9%

  • Rubies32%
  • ALLAURA21%
  • Linfairy14%
  • Costume Agent9%
  • AMZCOS9%
  • Kalyss5%
  • Open — no brand owns it (4 brands, 9%)

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%10%$2K20%$5K30%$7K40%$10K101001K10K 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 & seasonality

Weekly Amazon search volume, last 104 weeks — -6.9% search growth over the last 90 days.
7K5KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 31.8×

Reviews

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

What buyers love

Wig/Artificial Hair Quality41%

“Super cute wig”

Comfort-Overall12%

“Perfect for costume, very comfortable”

Advertised Vs Actual Product8%

“Item is as advertised”

Size-Overall7%

“Fits like picture”

Value For Money5%

“Super cute for the price”

Quality-Overall4%

“Great quality for the price”

Brightness/Shine/Glow4%

“It is really shiny”

Shape/Style3%

“styled super cutely”

Soft Feel1%

“The hair is soft”

Assembly/Installation1%

“It installs easily”

What buyers complain about

Size-Overall24%

“cannot fit most peoples heads”

Advertised Vs Actual Product14%

“hence the reason why it looks different from the product description”

Wig/Artificial Hair Quality12%

“The short lived life of a black dented plastic wig”

Stretchability/Expandability/Elasticity8%

“my only qualms are that the built-in elastic bands are kinda flimsy”

Thickness8%

“Heavy, thick, weird shape”

Shape/Style3%

“weird shape”

Comfort-Overall3%

“I didnt expect to get something so uncomfortable and frankly, ugly”

Top return reasons

Size-Overall34%
Wig/Artificial Hair Quality27%
Quality-Overall11%
Advertised Vs Actual Product8%
Shape/Style3%
Color2%
Weight Heavy2%
Value For Money2%
Material Quality2%
Suitability Long Hair1%