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36

Marilyn Monroe Costume

Skip it

High returns (14.6%) — this niche doesn't clear our bar today.

Market size 7Growth 46Conversion 4Competition 42Returns 0Price range 31Avg price 95Brand share 54Review moat 36Quality gap 80

Avg price

Incredible$43.94

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good73%

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

Growth

Okay+17.0%

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

Competition

Okay60%

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

Review moat

Okay2,931.81

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$6.66–$281.91

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

Market size

Bad$28K

$28K/yr · 187K searches

Conversion

Bad0.3%

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

Returns

Bad14.6%

return rate — above 5% kills the launch gate

Is marilyn monroe costume profitable on Amazon?

According to Flapen's Amazon United States niche tracking, marilyn monroe costume is a $28K/yr Amazon United States market (187K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 36/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

marilyn monroe costume market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$55K–$66K
units × avg price
Conversion rate
0.3%
Avg BSR
#3,472
Page quality
0%
Prime
100%
Sponsored
67%
Out of stock
17.1%
Avg brand age
38 months
Avg seller age
185 days

Competition: brands, sellers & click share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

38

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

60%

Top 20: 98%

Open market

24%

  • California Costumes40%
  • Lansian11%
  • Rubies10%
  • Topdress8%
  • Parthea4%
  • GOKATOSAU4%

marilyn monroe costume demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.0% search growth over the last 90 days.
15K10KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 8.5×

Top marilyn monroe costume search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • marilyn monroe dress80K/yr
  • marilyn monroe costume82K/yr
  • marilyn monroe dress for women10K/yr
  • marilyn monroe white dress7K/yr
  • marilyn monroe costume for women8K/yr
All search terms

Top marilyn monroe 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.

0%10%$3K20%$6K30%$8K40%$11K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 21 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about marilyn monroe costume

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

What buyers love

Size-Overall22%

“Fit great”

Comfort-Overall13%

“Very comfy actually”

Quality-Overall12%

“Very well made not cheap feeling”

Shape/Style7%

“Elegant and comfortable”

Soft Feel7%

“Shes petite and gentle natured”

Material Quality5%

“The material was comfortable and soft”

Value For Money4%

“The price was reasonable”

Advertised Vs Actual Product3%

“looks just like the picture”

Color3%

“Pretty”

Stitch/Finish/Polish3%

“They completed the look perfectly”

What buyers complain about

Quality-Overall22%

“This dress is not the quality I would expect from your clothes”

Size-Overall13%

“came small”

Product Condition6%

“Came used”

Gap/Hole6%

“Arrived with a hole in them”

Durability6%

“Gloves ripped at side seam soon as they were put on”

Material Quality5%

“However, the material it is made with is very cheap thin cotton”

Color3%

“I received this dress used the armpit was white from deodorant”

Advertised Vs Actual Product3%

“Not quite as described”

Thickness3%

“the fingers are thicker”

Value For Money3%

“Not a good value for money”

Top return reasons

Size-Overall37%
Material Quality10%
Length10%
Chest Fit7%
Waist Fit5%
Shape/Style3%
Advertised Vs Actual Product3%
Color3%
Shoulder Fit3%
Arm Fit3%

Common marilyn monroe costume questions

Is marilyn monroe costume profitable to sell on Amazon United States?
The niche generates $28K/yr across 21 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +17.0%. Flapen's verdict: Skip it (36/100).
How competitive is the marilyn monroe costume niche?
16 brands and 38 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 73% of demand.
What do buyers complain about in marilyn monroe costume?
Top complaints mined from reviews: Quality-Overall, Size-Overall, Product Condition. The return rate is 14.6% — above our launch gate.
When does demand for marilyn monroe costume peak?
Demand peaks in Sep–Oct; the busiest month runs 8.5× the quietest.
What does it cost to enter the marilyn monroe costume niche?
Listings span $6.66–$281.91; the average listing price is $43.94 (sweet spot $15–$100). The average incumbent carries 2,932 reviews — the moat a new listing must climb.