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48

nightmare before christmas costume

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Weak search conversion (0.1%) — this niche doesn't clear our bar today.

Market size 3Growth 80Conversion 1Competition 71Returns 7Price range 95Avg price 95Brand share 41Review moat 74Quality gap 72

Avg price

Incredible$30.71

avg listing price — sweet spot $15–$100

Price range

Incredible$14.99–$95.93

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

Growth

Great+71.9%

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

Review moat

Good541.45

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Good43%

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

Brand share

Okay80%

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

Returns

Bad10.3%

return rate — above 6% kills the launch gate

Market size

Bad$11K

$11K/yr · 407K searches

Conversion

Bad0.1%

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

Competition

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

59

Top-5 brand share

80%

Open market

16%

  • Disney55%
  • ELDSIGIL7%
  • Qurtalun7%
  • Disguise6%
  • elope5%
  • Seven Times Six4%
  • Open — no brand owns it (9 brands, 16%)

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%$4508%$89912%$1K16%$2K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 40 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +71.9% search growth over the last 90 days.
70K50KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 196.7×

Reviews

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

What buyers love

Quality-Overall18%

“Great quality for a night for Halloween”

Size-Overall17%

“True fit”

Value For Money11%

“a great price :”

Advertised Vs Actual Product11%

“It does the job”

Design-Overall5%

“Design is cute”

Comfort-Overall4%

“Very comfortable”

Warmth3%

“and its Very Warm”

Color3%

“Colors are nice & bright”

Stretchability/Expandability/Elasticity1%

“This buy was amazing very stretchy”

Washability1%

“It washes and dries without any issue”

What buyers complain about

Size-Overall27%

“If you don't like clothes to be tight, I would size up”

Quality-Overall13%

“Cheap”

Material Quality10%

“Slim cut and rough material”

Thickness5%

“Very very thin”

Comfort-Overall5%

“Very uncomfortable”

Thin5%

“Thin material”

Value For Money2%

“Not worth it”

Hip Fit2%

“It was rather tight in the stomach/hip area”

Smell2%

“The smell was very overwhelming”

Color2%

“This does make it disappointing that the back is mostly just purple”

Top return reasons

Size-Overall49%
Waist Fit11%
Length11%
Chest Fit6%
Product Condition3%
Material Quality3%
Functionality-Overall3%
Shoulder Fit3%
Advertised Vs Actual Product3%
Strap/String Quality1%