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girl scout costume

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High returns (12.0%) — this niche doesn't clear our bar today.

Market size 9Growth 9Conversion 22Competition 87Returns 0Price range 78Avg price 87Brand share 95Review moat 36Quality gap 57

Brand share

Incredible37%

top-5 brand share — no brand owns this niche

Competition

Great28%

top-5 click share — an open shelf

Avg price

Great$19.97

avg listing price — sweet spot $15–$100

Price range

Great$5.15–$51.17

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,889.07

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.8%

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

Market size

Bad$37K

$37K/yr · 107K searches

Growth

Bad-31.8%

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

Returns

Bad12.0%

return rate — above 6% kills the launch gate

Competition

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

42 rising

Sellers

59

Top-5 brand share

37%

Open market

58%

  • Yanbuny10%
  • French Toast9%
  • WDIRARA7%
  • PURPLE STAR 1N6%
  • WATCPNO5%
  • Nautica5%

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%$7494%$1K6%$2K8%$3K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 56 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -31.8% search growth over the last 90 days.
30K20KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 51.9×

Reviews

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

What buyers love

Size-Overall18%

“Excellent fit”

Quality-Overall15%

“The quality is great for a costume”

Material Quality14%

“material for my 6 year old”

Advertised Vs Actual Product6%

“it was as listed”

Value For Money5%

“Worth every penny”

Pockets/Compartments4%

“I really like that it has pockets”

Stretchability/Expandability/Elasticity4%

“The elastic waistband is flat and really comfortable”

Durability3%

“The product is a good quality and very durable”

Shape/Style3%

“The overall style”

Stitch/Finish/Polish3%

“wash it a few times without seams coming undone”

What buyers complain about

Size-Overall30%

“Size down”

Quality-Overall9%

“Very cheaply made”

Machine Wash Suitability4%

“Not good after wash”

Wrinkles3%

“It does wrinkle easily in the wash”

Durability2%

“it will not last long”

Waist Fit2%

“The waist was huge on my daughter”

Smell2%

“had a heavy scent that made us worried it might have been a previous return”

Sleeve Fit1%

“The sleeves are tight on her”

Shoulder Fit1%

“tight around the shoulders”

Arm Fit1%

“Tight on arms & shoulders”

Top return reasons

Size-Overall45%
Waist Fit20%
Length9%
Material Quality4%
Color4%
Advertised Vs Actual Product2%
Hip Fit2%
Quality-Overall2%
Thin1%
Shape/Style1%