Is hufflepuff costume profitable to sell on Amazon United States?

The niche generates $79K/yr across 78 tracked products. 2 of 16 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Skip it (44/100).

How competitive is the hufflepuff costume niche?

23 brands and 63 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 71% of demand.

What do buyers complain about in hufflepuff costume?

Top complaints mined from reviews: Size-Overall, Value For Money, Stitch/Finish/Polish. The return rate is 11.1% — above our launch gate.

When does demand for hufflepuff costume peak?

Demand peaks in Sep–Oct–Nov; the busiest month runs 15.4× the quietest.

What does it cost to enter the hufflepuff costume niche?

Listings span $8.73–$135.94; the average listing price is $36.73 (sweet spot $15–$100). The average incumbent carries 884 reviews — the moat a new listing must climb.

Hufflepuff Costume

Skip it

High returns (11.1%) — this niche doesn't clear our bar today.

Avg price

Incredible$36.73

avg listing price — sweet spot $15–$100

Competition

Great23%

top-5 click share — an open shelf

Price range

Good$8.73–$135.94

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

Review moat

Good883.86

avg incumbent reviews — the moat a new listing must climb

Brand share

Good71%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.8%

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

Market size

Bad$79K

$79K/yr · 180K searches

Conversion

Bad1.2%

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

Returns

Bad11.1%

return rate — above 5% kills the launch gate

Signals High Returns

Is hufflepuff costume profitable on Amazon?

According to Flapen's Amazon United States niche tracking, hufflepuff costume is a $79K/yr Amazon United States market (180K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 44/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

hufflepuff costume market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $110K–$147K; units × avg price
Conversion rate: 1.2%
Avg BSR: #3,017
Page quality: 0%
Prime: 85%
Sponsored: 69%
Out of stock: 7.3%
Avg brand age: 49 months
Avg seller age: 166 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.

Brands

23 rising

Sellers

Top-5 brand share

71%

Top 20: 99%

Top-5 click share

23%

Top 20: 56%

Open market

24%

Disguise24%
INTIMO18%
Harry Potter16%
Bioworld8%
Spirit Halloween5%
Fun Costumes4%

hufflepuff costume demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.8% search growth over the last 90 days.

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 15.4×

Open Trend

Top hufflepuff costume search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

hufflepuff robe56K/yr -11.3%1.1% conv.
hufflepuff costume63K/yr +0.3%1.2% conv.
harry potter hufflepuff robe5K/yr +0.1%0.6% conv.
hufflepuff costume women22K/yr -5.1%0.1% conv.
hufflepuff robe adult9K/yr -30.7%0.7% conv.
hufflepuff robe kids4K/yr +14.0%3.5% conv.
hufflepuff cloak5K/yr -20.6%0.6% conv.
harry potter hufflepuff costume8K/yr +2.5%0.0% conv.
harry potter costume hufflepuff4K/yr +39.4%0.6% conv.
hufflepuff costume adult4K/yr +4.0%0.0% conv.

All search terms

Top hufflepuff costume products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Disguise Harry Potter Hufflepuff Robe Deluxe Wizarding World Adult Costume Accessory Adult Medium (38-40)

Disguise$46.674.3★1,058 rev

Harry Potter Adult Fleece Plush Hooded Robe - (Hufflepuff One Size)

INTIMO$44.114.7★1,444 rev

Spirit Halloween Harry Potter Adult Hufflepuff Robe | Officially licensed | Harry Potter Costume | Wizard Outfit

Spirit Halloween$35.014.6★25 rev

Disguise Harry Potter Hufflepuff Robe Prestige Childrens Costume Accessory Black & Yellow Kids Size Large (10-12)

Disguise$37.494.6★921 rev

Harry Potter Robe - Authentic Adult Wizarding World Magic School Robe Costume Cosplay Officially Licensed

Underboss$35.674.6★517 rev

Newest

by launch date

Harry Potter Personalized Hufflepuff Robe - Official Hogwarts House Costume with Embroidered Crest & Wand Pocket - M-L

Harry Potter$106.577 rev

4mo ago

Harry Potter Adult Hufflepuff Robe Official Hogwarts House Costume with Embroidered Crest Yellow Lining & Wand Pocket XL/XXL

Harry Potter$89.7429 rev

7mo ago

Harry Potter Hufflepuff Unisex Black Hooded Bathrobe | Cosy Fleece Loungewear with Tie | Long Sleeve Movie-Themed Sleepwear | Perfect for Relaxing at Home Merch - X-Large

Harry Potter$48.183 rev

9mo ago

Harry Potter Hufflepuff Unisex Black Hooded Bathrobe | Cosy Fleece Loungewear with Tie | Long Sleeve Movie-Themed Sleepwear | Perfect for Relaxing at Home Merch - Large

Harry Potter$46.003 rev

9mo ago

OYYJIG Magician Robe for Adult Teens Wizard School Costume for Men Women Four Magic College Styles Cloak Witch Hooded Cape (Yellow S)

OYYJIG$34.5472 rev

1y ago

What reviews say buyers love and hate about hufflepuff costume

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

What buyers love

Quality-Overall24%

“The cloak ended up being on the higher quality side, was very roomy, the fit was great for mom who is on the heavier side, and the weight and durability were top notch”

Size-Overall15%

“Fits great”

Value For Money11%

“Worth the money”

Comfort-Overall9%

“Comfortable”

Gifting Purpose6%

“I got this as a gift for my Daughter”

Warmth4%

“It keeps me warm when I go to work in the morning”

Durability3%

“Still holding up great”

Material Quality3%

“Very good comfy material”

Shape/Style3%

“it's still in great shape”

Weight Light2%

“light weight and even comes with a wand holder”

What buyers complain about

Size-Overall20%

“It was wayyyyyy too long”

Value For Money13%

“This being priced at 45$ is a rip off”

Stitch/Finish/Polish11%

“Then stitches on the front are coming undone”

Quality-Overall10%

“Looks cheap”

Advertised Vs Actual Product5%

“Not as described”

Material Quality4%

“Material was not as expected”

Product Condition4%

“Not a New Item”

Gifting Purpose4%

“It was a birthday gift that was sent to another city”

Upholstery/Fabric Quality4%

“Fabric rips easily”

Durability4%

“Not very durable”

Top return reasons

Size-Overall45%

Length12%

Stitch/Finish/Polish6%

Quality-Overall5%

Material Quality5%

Sleeve Fit4%

Color3%

Advertised Vs Actual Product2%

Value For Money2%

Product Condition2%

Common hufflepuff costume questions

Is hufflepuff costume profitable to sell on Amazon United States?: The niche generates $79K/yr across 78 tracked products. 2 of 16 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Skip it (44/100).
How competitive is the hufflepuff costume niche?: 23 brands and 63 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in hufflepuff costume?: Top complaints mined from reviews: Size-Overall, Value For Money, Stitch/Finish/Polish. The return rate is 11.1% — above our launch gate.
When does demand for hufflepuff costume peak?: Demand peaks in Sep–Oct–Nov; the busiest month runs 15.4× the quietest.
What does it cost to enter the hufflepuff costume niche?: Listings span $8.73–$135.94; the average listing price is $36.73 (sweet spot $15–$100). The average incumbent carries 884 reviews — the moat a new listing must climb.