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fancy nancy costume

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High returns (13.5%) — this niche doesn't clear our bar today.

Market size 7Growth 15Conversion 9Competition 91Returns 0Price range 78Avg price 94Brand share 96Review moat 62Quality gap 60

Brand share

Incredible31%

top-5 brand share — no brand owns this niche

Avg price

Great$22.78

avg listing price — sweet spot $15–$100

Competition

Great24%

top-5 click share — an open shelf

Price range

Great$7.48–$42.76

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

Review moat

Good1,039.26

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Bad-19.3%

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

Conversion

Bad0.7%

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

Market size

Bad$26K

$26K/yr · 170K searches

Returns

Bad13.5%

return rate — above 6% kills the launch gate

Competition

Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.

Brands

53 rising

Sellers

72

Top-5 brand share

31%

Open market

65%

  • Disney9%
  • YBSKG7%
  • DancMolly5%
  • Ellames5%
  • Dynict5%
  • IMEKIS4%

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%2%$5274%$1K6%$2K8%$2K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 77 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 30 weeks — -19.3% search growth over the last 90 days.
7K5KSpike '26Dec '25Jan '26Feb '26Mar '26May '26Jun '26

Reviews

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

What buyers love

Size-Overall19%

“Fit well”

Quality-Overall11%

“seems well made”

Color8%

“Cute colors”

Value For Money6%

“Great price”

Comfort-Overall5%

“So comfy”

Material Quality4%

“soft material”

Brightness/Shine/Glow4%

“So shiny”

Shape/Style4%

“I love the flowy style”

Gifting Purpose4%

“Gift”

Advertised Vs Actual Product4%

“matches the picture”

What buyers complain about

Size-Overall22%

“Too short”

Quality-Overall13%

“it is not well made”

Smell6%

“There is a bit of a smell”

Length4%

“Length wasnt what I expected”

Durability3%

“Started shedding and falling apart before it was even out of the bag”

Value For Money3%

“Wasnt worth the money”

Transparency3%

“the material was almost see through”

Precious Gemstone2%

“The stones fall off almost immediately after taking out of package”

Comfort-Overall2%

“It actually becomes quite bothersome after wearing it for some time”

Thickness2%

“A little bit sheer”

Top return reasons

Size-Overall36%
Length18%
Waist Fit14%
Material Quality6%
Chest Fit3%
Advertised Vs Actual Product3%
Shape/Style3%
Hip Fit3%
Color2%
Quality-Overall2%