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45

Fancy Nancy Costume

Skip it

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 5% kills the launch gate

Is fancy nancy costume profitable on Amazon?

According to Flapen's Amazon United States niche tracking, fancy nancy costume is a $26K/yr Amazon United States market (170K searches/yr). The top 5 brands hold 31% of demand. Verdict: Skip it — 45/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

fancy nancy costume market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
$46K–$57K
units × avg price
Conversion rate
0.7%
Avg BSR
#3,191
Page quality
0%
Prime
95%
Sponsored
86%
Out of stock
8.6%
Avg brand age
36 months
Avg seller age
171 days

Competition: brands, sellers & click share

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%

Top 20: 77%

Top-5 click share

24%

Top 20: 63%

Open market

65%

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

fancy nancy costume demand & seasonality

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

Top fancy nancy costume search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • fancy nancy outfit40K/yr
  • fancy nancy costume93K/yr
  • fancy nancy dress17K/yr
  • fancy nancy clothes6K/yr
  • fancy nancy outfits3K/yr
  • fancy nancy dress up3K/yr
  • fancy nancy costume for girls8K/yr
All search terms

Top fancy nancy costume products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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%$2K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about fancy nancy costume

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%

Common fancy nancy costume questions

Is fancy nancy costume profitable to sell on Amazon United States?
The niche generates $26K/yr across 77 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -19.3%. Flapen's verdict: Skip it (45/100).
How competitive is the fancy nancy costume niche?
53 brands and 72 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 31% of demand.
What do buyers complain about in fancy nancy costume?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Smell. The return rate is 13.5% — above our launch gate.
What does it cost to enter the fancy nancy costume niche?
Listings span $7.48–$42.76; the average listing price is $22.78 (sweet spot $15–$100). The average incumbent carries 1,039 reviews — the moat a new listing must climb.