---
title: "Marilyn Monroe Costume — $2K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/marilyn-monroe-costume"
last_updated: "2026-08-12T12:23:35.363Z"
locale: en
meta:
description: "Amazon product research for marilyn monroe costume: $2K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for marilyn monroe costume: $2K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Marilyn Monroe Costume — $2K/mo Amazon US Product Research"
---
# **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**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+17.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,931.81**
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**
**Bad****0.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****14.6%**
return rate — above 5% kills the launch gate
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 8.5×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/marilyn-monroe-costume/trend)
## **Top marilyn monroe costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **marilyn monroe dress**80K/yr+19.8%0.3% conv. - **marilyn monroe costume**82K/yr+16.0%0.3% conv. - **marilyn monroe dress for women**10K/yr-8.4%0.2% conv. - **marilyn monroe white dress**7K/yr+11.9%0.1% conv. - **marilyn monroe costume for women**8K/yr+54.5%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/marilyn-monroe-costume/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Marilyn Monroe Costume Dress Womens Small White**California Costumes**$26.92**4.4★1,052 rev](https://www.amazon.com/dp/B000GHDHBG) [2**Lansian Womens 21 Long Satin Gloves White Elbow Length 1920s Opera Bridal Dance Gloves For Evening Party Opera Costume White**Lansian**$6.90**4.3★9,479 rev](https://www.amazon.com/dp/B076P5M7WD) [3**Rubies Vintage Hollywood Faux Mink Stole for Adults Womens No Size**Rubies**$35.76**4.1★470 rev](https://www.amazon.com/dp/B007HK8AWQ) [4**California Costumes Marilyn Monroe Deluxe Costume Halter Dress Womens Small**California Costumes**$26.33**4.4★715 rev](https://www.amazon.com/dp/B0027VT5QK) [5**Topdress Womens Vintage Polka Audrey Dress 1950s Halter Retro Cocktail Dress Red S**Topdress**$32.28**4.4★17,386 rev](https://www.amazon.com/dp/B072J89J28)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Retrofte Womens Monroe Dress Port S**Retrofete**$281.91**0 rev6mo ago](https://www.amazon.com/dp/B0G2WT5T2L) [**Girstunm 1950s Dresses for Women Sleeveless Audrey Hepburn Tea Party Swing Dress Retro Cocktail Dress with Pockets White XX-Large**Girstunm**$33.44**178 rev9mo ago](https://www.amazon.com/dp/B0FND15R72) [**HOT ROEE Womens Halter Deep V Neck A-line Mini Dress Ruched Waist Short Party Dresses White Medium**HOT ROEE**$23.90**44 rev1y ago](https://www.amazon.com/dp/B0F93R3JNK) [**Mekong Delta Marilyn on the Move White Summer Dress (US Alpha Small Regular Regular White)**Mekong Delta**$29.98**4 rev1y ago](https://www.amazon.com/dp/B0F536F85M) [**Parthea Womens Gingham Halter V Neck Midi Dress Corset Smocked Sundress Flowy A Line Wedding Guest Dresses White**Parthea**$54.65**160 rev1y ago](https://www.amazon.com/dp/B0F4834XCT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GOKATOSAU Womens Halter Deep V Neck Flowy Chiffon Bow Tie Backless Summer Mini Dress RoyalBlue**GOKATOSAU**$36.55**4.1★**▲ 132%**](https://www.amazon.com/dp/B0D9L9NM91) [**Topdress Womens Vintage Polka Audrey Dress 1950s Halter Retro Cocktail Dress White L**Topdress**$31.27**4.4★**▲ 129%**](https://www.amazon.com/dp/B0D95TSKYL) [**Girstunm 1950s Dresses for Women Sleeveless Audrey Hepburn Tea Party Swing Dress Retro Cocktail Dress with Pockets White XX-Large**Girstunm**$33.44**4.4★**▲ 126%**](https://www.amazon.com/dp/B0FND15R72) [**GOKATOSAU Womens Halter Deep V Neck Flowy Chiffon Bow Tie Backless Summer Mini Dress Black**GOKATOSAU**$36.54**4.1★**▲ 107%**](https://www.amazon.com/dp/B0CX53CBQ7) [**BTFBM Women Ruched Bodycon Maxi Dresses Summer Casual Sleeveless Lightweight Slit Elegant Cocktail Wedding Guest Dress(Black Medium)**BTFBM**$36.02**4.3★**▲ 102%**](https://www.amazon.com/dp/B0CRKRXPB6)
**~~View all trending →~~**
## **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-Overall**22%
*“Fit great”*
**Comfort-Overall**13%
*“Very comfy actually”*
**Quality-Overall**12%
*“Very well made not cheap feeling”*
**Shape/Style**7%
*“Elegant and comfortable”*
**Soft Feel**7%
*“Shes petite and gentle natured”*
**Material Quality**5%
*“The material was comfortable and soft”*
**Value For Money**4%
*“The price was reasonable”*
**Advertised Vs Actual Product**3%
*“looks just like the picture”*
**Color**3%
*“Pretty”*
**Stitch/Finish/Polish**3%
*“They completed the look perfectly”*
### **What buyers complain about **
**Quality-Overall**22%
*“This dress is not the quality I would expect from your clothes”*
**Size-Overall**13%
*“came small”*
**Product Condition**6%
*“Came used”*
**Gap/Hole**6%
*“Arrived with a hole in them”*
**Durability**6%
*“Gloves ripped at side seam soon as they were put on”*
**Material Quality**5%
*“However, the material it is made with is very cheap thin cotton”*
**Color**3%
*“I received this dress used the armpit was white from deodorant”*
**Advertised Vs Actual Product**3%
*“Not quite as described”*
**Thickness**3%
*“the fingers are thicker”*
**Value For Money**3%
*“Not a good value for money”*
### **Top return reasons **
**Size-Overall**37%
**Material Quality**10%
**Length**10%
**Chest Fit**7%
**Waist Fit**5%
**Shape/Style**3%
**Advertised Vs Actual Product**3%
**Color**3%
**Shoulder Fit**3%
**Arm Fit**3%
## **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.
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