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23

theodore chipmunk costume

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A small market ($13K/yr) — this niche doesn't clear our bar today.

Market size 3Growth 11Conversion 10Competition 19Returns 26Price range 70Avg price 84Brand share 43Review moat 17Quality gap 19

Avg price

Great$18.72

avg listing price — sweet spot $15–$100

Price range

Good$6.71–$34.03

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

Brand share

Okay79%

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

Returns

Okay5.8%

return rate — above 6% kills the launch gate

Competition

Bad77%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad17,858.8

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-28.2%

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

Conversion

Bad0.8%

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

Market size

Bad$13K

$13K/yr · 89K searches

Competition

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

26

Top-5 brand share

79%

Open market

14%

  • Hanes28%
  • Century Star25%
  • Letter T Chipmunk Christmas Thanksgiving Costume10%
  • Yolyoo9%
  • Chipmunk Matching Costume Tee7%
  • ZUUKTHO7%
  • Open — no brand owns it (3 brands, 14%)

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%$1K20%$3K30%$4K40%$5K1101001K10K100K1.0M 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 10 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 38 weeks — -28.2% search growth over the last 90 days.
20K15KSpike '25Spike '26Oct '25Nov '25Jan '26Feb '26Apr '26May '26

Reviews

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

What buyers love

Warmth25%

“Warm and well made”

Thickness8%

“just thick enough to keep their legs/feet super warm while walking around to trick-or-treat”

Size-Overall8%

“Great size”

Quality-Overall8%

“They are great quality too”

Stretchability/Expandability/Elasticity8%

“Great size and super stretchy,”

Value For Money8%

“such a great price”

Comfort-Overall8%

“were really comfortable”

What buyers complain about

Size-Overall50%

“Skirts were a bit long though”

Durability33%

“Seems came apart upon first wear”

Top return reasons

Size-Overall47%
Color12%
Length6%
Feet Fit5%
Product Condition4%
Quality-Overall3%
Material Quality3%
Thin3%
Value For Money2%
Chest Fit2%