Is boys halloween costumes 8-10 profitable to sell on Amazon United States?

The niche generates $245K/yr across 77 tracked products. 8 of 19 products launched in the last 360 days are still selling. 90-day search growth is -22.7%. Flapen's verdict: Skip it (49/100).

How competitive is the boys halloween costumes 8-10 niche?

56 brands and 107 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 34% of demand.

What do buyers complain about in boys halloween costumes 8-10?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 5.5% — above our launch gate.

When does demand for boys halloween costumes 8-10 peak?

Demand peaks in Sep–Oct–Nov; the busiest month runs 57.0× the quietest.

What does it cost to enter the boys halloween costumes 8-10 niche?

Listings span $6.54–$126.46; the average listing price is $31.38 (sweet spot $15–$100). The average incumbent carries 2,183 reviews — the moat a new listing must climb.

boys halloween costumes 8-10

Skip it

Weak search conversion (0.7%) — this niche doesn't clear our bar today.

Brand share

Incredible34%

top-5 brand share — no brand owns this niche

Avg price

Incredible$31.38

avg listing price — sweet spot $15–$100

Competition

Great28%

top-5 click share — an open shelf

Price range

Good$6.54–$126.46

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

Market size

Okay$245K

$245K/yr · 1.1M searches

Review moat

Okay2,182.97

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Bad5.5%

return rate — above 5% kills the launch gate

Growth

Bad-22.7%

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

Conversion

Bad0.7%

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

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, boys halloween costumes 8-10 is a $245K/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 34% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 49/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

boys halloween costumes 8-10 market data

Units sold / yr: 8K–10K; avg 0–100/product
Revenue / yr: $251K–$314K; units × avg price
Conversion rate: 0.7%
Avg BSR: #783
Page quality: 0%
Prime: 99%
Sponsored: 87%
Out of stock: 12.4%
Avg brand age: 40 months
Avg seller age: 160 days

Competition & brand share

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

56 falling

Sellers

107

Top-5 brand share

34%

Top 20: 75%

Top-5 click share

28%

Top 20: 63%

Open market

60%

mcuaeddu9%
Jazwares Costume Play7%
Spooktacular Creations6%
Teuevayl6%
Marvel6%
Jeowoqao6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.7% search growth over the last 90 days.

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 57.0×

Open Trend

Top boys halloween costumes 8-10 search terms

boys costumes 6-862K/yr -13.5%0.8% conv.
boys costumes 4-648K/yr -28.2%1.9% conv.
disfraz nio38K/yr +20.0%0.0% conv.
boy costumes 4-629K/yr +7.3%1.0% conv.
boys costumes 10-1286K/yr -47.6%0.3% conv.
kids costumes for boys 4-646K/yr -20.5%0.6% conv.
boys costumes 8-1091K/yr -70.7%0.6% conv.
boys halloween costumes 8-10187K/yr +59.9%0.1% conv.
boy costumes 6-850K/yr -47.8%0.3% conv.
costumes for kids 10-1222K/yr +16.4%0.1% conv.

All search terms

Top boys halloween costumes 8-10 products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)

mcuaeddu$36.834.6★169 rev

Teuevayl Boys Muscle Chest Dress up Costumes Trunk with Superhero Policeman Fireman Costume Kids Pretend Role Play Costumes Set Boys Dress up Clothes for Kids Ages 3 4 5 6 7

Teuevayl$33.634.5★1,120 rev

Jeowoqao Costumes for Kids Boys Dress up Clothes for Role Play Boys Muscle Chest Dress up Costumes with Policeman Fireman Costume for Toddler Boy 3 4 5 6 Years Christmas Birthday Gifts

Jeowoqao$28.794.4★87 rev

Spooktacular Creations Halloween Ninja Costume Black Ninja Outfit Set for Kids Halloween Costumes with Accessories for Boys Dress Up and Role Play Party (Small 5-7 yrs)

Spooktacular Creations$28.574.7★10,729 rev

Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Green 1)

Elite Sports$44.224.8★5,654 rev

Newest

by launch date

Marvel Unisex Child Kids 2-piece Snug-fit Cotton Pajama Set Spider Costume 6 US

Marvel$13.733,269 rev

2mo ago

Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6

Marvel$15.323,269 rev

2mo ago

mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)

mcuaeddu$36.83169 rev

5mo ago

DISHIO Kids Pretend Role Play Costumes Dress Up Clothes for Toddlers 4 Sets Astronaut Policeman Firefighter Engineer Costume for Kids and Toddlers Boys Christmas Birthday Age 3 to 6

DISHIO$27.1860 rev

9mo ago

Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit

Nabobs$15.2976 rev

9mo ago

What buyers say about boys halloween costumes 8-10

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

What buyers love

Quality-Overall18%

“A+ Quality”

Fun/Entertainment Experience15%

“Fun for kids”

Size-Overall11%

“Fit as expected”

Gifting Purpose9%

“Cute Gift”

Value For Money7%

“Excellent value”

Advertised Vs Actual Product3%

“As advertised”

Ease Of Use3%

“Easy to use”

Comfort-Overall3%

“They are comfortable”

Material Quality3%

“Good material”

Brightness/Shine/Glow3%

“bright lights”

What buyers complain about

Size-Overall19%

“Little big”

Quality-Overall18%

“not well made”

Durability13%

“Breaks very easily”

Material Quality4%

“Poor material”

Functionality-Overall3%

“Didnt work”

Value For Money2%

“The price is a little much”

Charging2%

“not able to recharge”

Product Condition2%

“Received used items”

Strap/String Quality2%

“missing straps”

Stitch/Finish/Polish2%

“Stitching is very poor quality”

Top return reasons

Size-Overall66%

Length4%

Advertised Vs Actual Product4%

Quality-Overall3%