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kill bill costume

Skip it

Weak search conversion (0.1%) — this niche doesn't clear our bar today.

Market size 4Growth 29Conversion 1Competition 37Returns 4Price range 78Avg price 93Brand share 41Review moat 89Quality gap 88

Avg price

Great$51.61

avg listing price — sweet spot $15–$100

Review moat

Great222.59

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Great$23.78–$119.85

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

Brand share

Okay81%

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

Competition

Okay63%

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

Growth

Okay+3.3%

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

Market size

Bad$15K

$15K/yr · 412K searches

Returns

Bad11.0%

return rate — above 5% kills the launch gate

Conversion

Bad0.1%

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

According to Flapen's Amazon United States niche tracking, kill bill costume is a $15K/yr Amazon United States market (412K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 37/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

kill bill costume market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$65K–$77K
units × avg price
Conversion rate
0.1%
Avg BSR
#44,015
Page quality
0%
Prime
65%
Sponsored
18%
Out of stock
23.4%
Avg brand age
51 months
Avg seller age
195 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

13

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

15%

  • Diajosa cos25%
  • Fun Costumes24%
  • Shihanee12%
  • BYHai11%
  • WHLVBO9%
  • AOBUTE5%
  • Open — no brand owns it (5 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.3% search growth over the last 90 days.
60K40KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 67.3×

Top kill bill costume search terms

  • kill bill costume290K/yr
  • kill bill jacket12K/yr
  • kill bill costume women6K/yr
  • beatrix kiddo costume8K/yr
  • kill bill halloween costume6K/yr
  • kill bill costume woman87K/yr
  • kill bull costume2K/yr
All search terms

Top kill bill costume 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.

0%10%$1K20%$3K30%$4K40%$6K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

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

What buyers say about kill bill costume

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

Top return reasons

Size-Overall72%
Material Quality6%
Advertised Vs Actual Product5%
Length5%
Stitch/Finish/Polish3%
Sleeve Fit3%
Product Condition3%
Waist Fit3%
Neck Fit3%
Smell3%

Common questions

Is kill bill costume profitable to sell on Amazon United States?
The niche generates $15K/yr across 17 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +3.3%. Flapen's verdict: Skip it (37/100).
How competitive is the kill bill costume niche?
11 brands and 13 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 81% of demand.
When does demand for kill bill costume peak?
Demand peaks in Sep–Oct–Nov; the busiest month runs 67.3× the quietest.
What does it cost to enter the kill bill costume niche?
Listings span $23.78–$119.85; the average listing price is $51.61 (sweet spot $15–$100). The average incumbent carries 223 reviews — the moat a new listing must climb.