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toddler vampire costume boy

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High returns (15.7%) — this niche doesn't clear our bar today.

Market size 8Growth 74Conversion 18Competition 51Returns 0Price range 95Avg price 95Brand share 67Review moat 85Quality gap 63

Avg price

Incredible$28.28

avg listing price — sweet spot $15–$100

Price range

Incredible$19.03–$36.70

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

Review moat

Great290.18

avg incumbent reviews — the moat a new listing must climb

Growth

Good+58.4%

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

Brand share

Good65%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good54%

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

Conversion

Bad1.4%

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

Market size

Bad$32K

$32K/yr · 79K searches

Returns

Bad15.7%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

32

Top-5 brand share

65%

Open market

29%

  • Fun Costumes15%
  • PEADUCK15%
  • Rubies15%
  • Bosvin13%
  • EOZY7%
  • Spirit Halloween7%

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%$1K8%$3K12%$4K16%$5K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +58.4% search growth over the last 90 days.
12K8KSpike '24Holiday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 156.3×

Reviews

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

What buyers love

Size-Overall58%

“Its so cute perfect fit”

Value For Money15%

“Cost was great”

Quality-Overall8%

“The quality was nice”

Material Quality6%

“Great quality material was thick”

What buyers complain about

Size-Overall63%

“it was big on him the first year”

Allergies13%

“The dress was a little itchy so I would recommend wearing a shirt”

Top return reasons

Size-Overall76%
Product Condition11%
Length5%
Value For Money5%
Ease Of Cleaning3%