Marilyn Monroe Costume
Skip itHigh returns (14.6%) — this niche doesn't clear our bar today.
Avg price
Incredible$43.94avg 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
Okay2,931.81avg incumbent reviews — the moat a new listing must climb
Price range
Okay$6.66–$281.91cheapest 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.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
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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Marilyn Monroe Costume Dress Womens Small White
California Costumes$26.924.4★1,052 rev

Lansian Womens 21 Long Satin Gloves White Elbow Length 1920s Opera Bridal Dance Gloves For Evening Party Opera Costume White
Lansian$6.904.3★9,479 rev

Rubies Vintage Hollywood Faux Mink Stole for Adults Womens No Size
Rubies$35.764.1★470 rev

California Costumes Marilyn Monroe Deluxe Costume Halter Dress Womens Small
California Costumes$26.334.4★715 rev

Topdress Womens Vintage Polka Audrey Dress 1950s Halter Retro Cocktail Dress Red S
Topdress$32.284.4★17,386 rev
Newest
by launch date
Retrofte Womens Monroe Dress Port S
Retrofete$281.910 rev

Girstunm 1950s Dresses for Women Sleeveless Audrey Hepburn Tea Party Swing Dress Retro Cocktail Dress with Pockets White XX-Large
Girstunm$33.44178 rev

HOT ROEE Womens Halter Deep V Neck A-line Mini Dress Ruched Waist Short Party Dresses White Medium
HOT ROEE$23.9044 rev

Mekong Delta Marilyn on the Move White Summer Dress (US Alpha Small Regular Regular White)
Mekong Delta$29.984 rev

Parthea Womens Gingham Halter V Neck Midi Dress Corset Smocked Sundress Flowy A Line Wedding Guest Dresses White
Parthea$54.65160 rev
Trending
90-day click momentum
GOKATOSAU Womens Halter Deep V Neck Flowy Chiffon Bow Tie Backless Summer Mini Dress RoyalBlue
GOKATOSAU$36.554.1★

Topdress Womens Vintage Polka Audrey Dress 1950s Halter Retro Cocktail Dress White L
Topdress$31.274.4★

Girstunm 1950s Dresses for Women Sleeveless Audrey Hepburn Tea Party Swing Dress Retro Cocktail Dress with Pockets White XX-Large
Girstunm$33.444.4★

GOKATOSAU Womens Halter Deep V Neck Flowy Chiffon Bow Tie Backless Summer Mini Dress Black
GOKATOSAU$36.544.1★

BTFBM Women Ruched Bodycon Maxi Dresses Summer Casual Sleeveless Lightweight Slit Elegant Cocktail Wedding Guest Dress(Black Medium)
BTFBM$36.024.3★
What reviews say buyers love and hate about marilyn monroe costume
What buyers praise and complain about, mined from review topics.What buyers love
“Fit great”
“Very comfy actually”
“Very well made not cheap feeling”
“Elegant and comfortable”
“Shes petite and gentle natured”
“The material was comfortable and soft”
“The price was reasonable”
“looks just like the picture”
“Pretty”
“They completed the look perfectly”
What buyers complain about
“This dress is not the quality I would expect from your clothes”
“came small”
“Came used”
“Arrived with a hole in them”
“Gloves ripped at side seam soon as they were put on”
“However, the material it is made with is very cheap thin cotton”
“I received this dress used the armpit was white from deodorant”
“Not quite as described”
“the fingers are thicker”
“Not a good value for money”
Top return reasons
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.