Skip to content
40

peter pan costume for boys

Skip it

High returns (11.4%) — this niche doesn't clear our bar today.

Market size 6Growth 19Conversion 16Competition 72Returns 2Price range 90Avg price 95Brand share 48Review moat 91Quality gap 47

Avg price

Incredible$27.63

avg listing price — sweet spot $15–$100

Review moat

Great170.65

avg incumbent reviews — the moat a new listing must climb

Price range

Great$12.23–$57.11

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

Competition

Good42%

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

Brand share

Okay76%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-12.0%

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

Conversion

Bad1.2%

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

Market size

Bad$24K

$24K/yr · 71K searches

Returns

Bad11.4%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

45

Top-5 brand share

76%

Open market

18%

  • Garperkids23%
  • Fun Costumes19%
  • Kosgraiy15%
  • Dressy Daisy13%
  • Rubies6%
  • Disney6%

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%4%$9718%$2K12%$3K16%$4K1101001K 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 31 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.0% search growth over the last 90 days.
18K13KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 39.1×

Reviews

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

What buyers love

Size-Overall51%

“It fit my son perfectly”

Quality-Overall25%

“Good quality”

Material Quality11%

“The material was light weight, breathable and still looked great”

Comfort-Overall5%

“Little guy was comfy”

What buyers complain about

Size-Overall15%

“said it was tight”

Durability13%

“Fell apart within 24 hours”

Quality-Overall13%

“Poor quality”

Smell13%

“Had an awful smell”

Product Condition13%

“clearly was used”

Strap/String Quality8%

“Only complaint was the string for the shirt”

Comfort-Overall6%

“then once on he was uncomfortable”

Top return reasons

Size-Overall82%
Material Quality3%
Product Condition3%
Length2%
Quality-Overall2%
Advertised Vs Actual Product2%
Thin2%
Defective Material/Parts1%
Waist Fit1%
Design-Overall1%