Is katherine pierce costume profitable to sell on Amazon United States?

The niche generates $5K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +29.6%. Flapen's verdict: Skip it (34/100).

How competitive is the katherine pierce costume niche?

12 brands and 13 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in katherine pierce costume?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Gap/Hole. The return rate is 7.5% — above our launch gate.

When does demand for katherine pierce costume peak?

Demand peaks in Sep–Oct; the busiest month runs 75.7× the quietest.

What does it cost to enter the katherine pierce costume niche?

Listings span $6.29–$14.37; the average listing price is $10.01 (sweet spot $15–$100). The average incumbent carries 593 reviews — the moat a new listing must climb.

Katherine Pierce Costume

Skip it

Prices mostly outside the sweet spot ($6.29–$14.37) — this niche doesn't clear our bar today.

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good593.35

avg incumbent reviews — the moat a new listing must climb

Growth

Good+29.6%

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

Brand share

Okay84%

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

Competition

Okay65%

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

Avg price

Okay$10.01

avg listing price — sweet spot $15–$100

Conversion

Okay2.2%

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

Returns

Bad7.5%

return rate — above 5% kills the launch gate

Market size

Bad$5K

$5K/yr · 24K searches

Price range

Bad$6.29–$14.37

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

Signals Low Review Barrier High Returns

Is katherine pierce costume profitable on Amazon?

According to Flapen's Amazon United States niche tracking, katherine pierce costume is a $5K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 34/100.

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

katherine pierce costume market size & sales

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

Units sold / yr: 1K–1K; avg 0–100/product
Revenue / yr: $10K–$13K; units × avg price
Conversion rate: 2.2%
Avg BSR: #5,817
Page quality: 0%
Prime: 100%
Sponsored: 76%
Out of stock: 4.0%
Avg brand age: 50 months
Avg seller age: 211 days

Competition: brands, sellers & click share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

12%

PRINCESS CUTENESS STORE37%
YouU17%
JinYu14%
Nackiy10%
PPX7%
LUREME4%
Open — no brand owns it (6 brands, 12%)

katherine pierce costume demand & seasonality

Weekly Amazon search volume, last 104 weeks — +29.6% search growth over the last 90 days.

Peak months: Sep, Oct · busiest ÷ quietest = 75.7×

Open Trend

Top katherine pierce 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

PRINCESS CUTENESS STORE Katherine Pierce Vampire Lapis Anti-Sunlight Pendant Necklace

PRINCESS CUTENESS STORE$12.294.3★57 rev

JinYu 2 Pack Necklace and Daywalking Katherine Necklace Pendant Charm Necklace-Royal Blue with Transparent Box

JinYu$9.074.4★112 rev

Nackiy Long Black Opera Gloves for Women 1920s Satin Stretchy Elbow Length Party Gloves Costumes Bridal 20inch

Nackiy$6.664.4★1,763 rev

UoYu TFYU 2 Pcs The Vampire D.rs Elerna Opening Vervain Locket Pendant Necklaces Daywalking Katherine Necklace Family Crest Jewelry with Box

YouU$10.084.4★1,674 rev

PRINCESS CUTENESS STORE Katherine Pierce Vampire Victorian Cameo Pendant Necklace

PRINCESS CUTENESS STORE$13.294.7★8 rev

Newest

by launch date

BECKWJE Retro 80s Supernatural Stranger TV Necklace for Women - Friends Dont Lie Heart & Alphabet Wall Message Pendant 18+2 Stainless Steel Jewelry Gift

BECKWJE$11.9222 rev

2mo ago

PRINCESS CUTENESS STORE Katherine Pierce Vampire Victorian Cameo Pendant Necklace

PRINCESS CUTENESS STORE$13.298 rev

1y ago

UOUYOO Vampire Teeth Fake Fangs for Cosplay Party Props Halloween Party Fangs Favors White Horror False Teeth Favors Masquerade Accessories Gift 17mm 15mm 13mm

UOUYOO$7.04364 rev

2y ago

Nackiy Long Black Opera Gloves for Women 1920s Satin Stretchy Elbow Length Party Gloves Costumes Bridal 20inch

Nackiy$6.661,763 rev

3y ago

UoYu 21 pcs The Vampire Diaries Necklace Sticker Jewelry Set Daywalking Katherine color

YouU$7.32104 rev

4y ago

What reviews say buyers love and hate about katherine pierce costume

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

What buyers love

Quality-Overall16%

“Good quality necklace”

Advertised Vs Actual Product8%

“everything looked just as expected”

Durability7%

“is very durable”

Size-Overall6%

“Great fit”

Value For Money6%

“The price was reasonable”

Chain/Key Quality6%

“Has a little adjustable section on the chain which is great as well”

Soft Feel5%

“Soft”

Comfort-Overall5%

“Elegant and comfortable”

Color5%

“The blue is beautiful”

Stitch/Finish/Polish4%

“I saw no flaws in the finish”

What buyers complain about

Quality-Overall21%

“I think they look a little cheap”

Size-Overall13%

“Bigger than I expected”

Gap/Hole8%

“Arrived with a hole in them”

Chain/Key Quality6%

“One of the Chains break easily”

Advertised Vs Actual Product5%

“Elena's necklace doesn't like the photo”

Value For Money4%

“Don't waste your money”

Functionality-Overall4%

“Did not work for me”

Adhesion/Stickiness4%

“Couldnt stick lol”

Brightness/Shine/Glow4%

“I wish it had more shine and substance”

Thickness4%

“the fingers are thicker”

Top return reasons

Size-Overall43%

Length10%

Arm Fit8%

Material Quality8%

Quality-Overall4%

Wrist Fit4%

Defective Material/Parts2%

Advertised Vs Actual Product2%

Color2%

Thin2%

Common katherine pierce costume questions

Is katherine pierce costume profitable to sell on Amazon United States?: The niche generates $5K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +29.6%. Flapen's verdict: Skip it (34/100).
How competitive is the katherine pierce costume niche?: 12 brands and 13 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in katherine pierce costume?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Gap/Hole. The return rate is 7.5% — above our launch gate.
When does demand for katherine pierce costume peak?: Demand peaks in Sep–Oct; the busiest month runs 75.7× the quietest.
What does it cost to enter the katherine pierce costume niche?: Listings span $6.29–$14.37; the average listing price is $10.01 (sweet spot $15–$100). The average incumbent carries 593 reviews — the moat a new listing must climb.