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lily munster costume

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A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 38Conversion 0Competition 54Returns 0Price range 66Avg price 94Brand share 53Review moat 83Quality gap 73

Avg price

Great$46.89

avg listing price — sweet spot $15–$100

Review moat

Great349.72

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$16.08–$143.29

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

Competition

Good53%

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

Brand share

Good73%

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

Growth

Okay+10.6%

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

Market size

Bad$0

$0/yr · 38K searches

Conversion

Bad0.0%

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

Returns

Bad15.2%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

20

Top-5 brand share

73%

Open market

23%

  • Fun Costumes48%
  • AOBUTE9%
  • MORTICIA7%
  • Rock Rebel5%
  • Saniplaycos4%
  • GothDark4%

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%$020%$030%$040%$01101001K10K 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 25 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +10.6% search growth over the last 90 days.
5K3KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 31.4×

Reviews

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

What buyers love

Soft Feel27%

“It is soft abd fits well”

Size-Overall22%

“it fits perfectly”

Length8%

“The length is extremely long size was true to size color”

Material Quality6%

“The material was okay”

Value For Money4%

“Well worth the money very fun and comfortable”

Comfort-Overall4%

“Well worth the money very fun and comfortable”

Ease Of Use3%

“easy to throw on”

Stretchability/Expandability/Elasticity3%

“The material is also pretty stretchy”

Weight Light3%

“Lightweight”

Design-Overall3%

“makes a great cover up”

What buyers complain about

Size-Overall24%

“the fit was a little off for me”

Quality-Overall16%

“Its cheaply made”

Product Condition13%

“However i was shipped a used dirty dress which is being returned”

Chest Fit6%

“not for big chest”

Allergies6%

“itchy lace that does not drape or flow nicely”

Value For Money4%

“Just absolutely not worth it”

Feet Fit4%

“This dress is about a foot shorter than shown in the pictures”

Waist Fit4%

“I'm going to replace it for a smaller size because it was too big around the waist”

Durability3%

“Def felt it falling apart a bit when I tried on lol”

Collar Quality3%

“and one of the collar seams has come loose”

Top return reasons

Size-Overall40%
Length16%
Shoulder Fit7%
Chest Fit6%
Advertised Vs Actual Product5%
Material Quality4%
Arm Fit4%
Quality-Overall2%
Waist Fit2%
Shape/Style2%