--- title: "Ennui Costume — $0/mo Amazon US Product Research (2026)" canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/ennui-costume" last_updated: "2026-08-12T08:50:36.008Z" locale: en meta: description: "Amazon product research for ennui costume: $0/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen." "og:description": "Amazon product research for ennui costume: $0/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen." "og:title": "Ennui Costume — $0/mo Amazon US Product Research (2026)" --- # **Ennui Costume** **Skip it** A small market ($0/yr) — this niche doesn't clear our bar today. Market size 0Growth 10Conversion 0Competition 0Returns 9Price range 83Avg price 90Brand share 0Review moat 41Quality gap 88 **Avg price** **Great****$21.13** avg listing price — sweet spot $15–$100 **Quality gap** **Great****4.1★** avg incumbent rating — lower means beatable quality **Price range** **Great****$11.86–$33.48** cheapest to priciest tracked listing — scored on the share inside $15–$100 **Review moat** **Okay****2,406.67** avg incumbent reviews — the moat a new listing must climb **Growth** **Bad****-30.4%** 90-day search growth — must beat 0% to launch **Returns** **Bad****9.6%** return rate — above 5% kills the launch gate **Market size** **Bad****$0** $0/yr · 24K searches **Conversion** **Bad****0.0%** search→purchase rate — share of searches ending in a sale **Competition** **Bad****100%** top-5 click share — a locked-up shelf **Brand share** **Bad****100%** top-5 brand share — brand-locked demand **Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") ## **Is ennui costume profitable on Amazon?** According to Flapen's Amazon United States niche tracking, ennui costume is a $0/yr Amazon United States market (24K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 22/100. Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology) ## **ennui costume market size & sales** Units sold, revenue, conversion and listing quality across the tracked shelf.
**Units sold / yr**
**250–500**
avg 0–100/product
**Revenue / yr**
**$5K–$11K**
units × avg price
**Conversion rate**
**0.0%**
**Avg BSR**
**#185**
**Page quality**
**0%**
**Prime**
**100%**
**Sponsored**
**67%**
**Out of stock**
**14.6%**
**Avg brand age**
**36 months**
**Avg seller age**
**250 days**
## **Competition: brands, sellers & click share** The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack. **Brands** **3 **▲rising **Sellers** **4** **Top-5 brand share** **100%** Top 20: 100% **Top-5 click share** **100%** Top 20: 100% **Open market** **0%** - amropi42% - MapofBeauty32% - PINSV26% ## **ennui costume demand & seasonality** Weekly Amazon search volume, last 82 weeks — -30.4% search growth over the last 90 days. 5K4KSpike '25Prime Day '25Spike '26 seasonNovDecJanMarAprMayJunJulAugSepOctNovDecFebMarMay Peak months: Sep, Oct, Nov · busiest ÷ quietest = 78.5× [**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/ennui-costume/trend) ## **Top ennui costume search terms shoppers use** The exact queries shoppers type, with yearly volume, growth and conversion. - **ennui costume**6K/yr+14.0%0.8% conv. - **ennui costume adult**15K/yr-81.7%0.0% conv. - **ennui inside out 2 costume**674/yr-48.3%0.0% conv. - **ennui inside out 2 costume adult**1K/yr-94.1%0.0% conv. - **ennui costume women**154/yr+0.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/ennui-costume/search-terms) ## **Top ennui 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%15%$030%$045%$060%$0101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales Beatable (≤4.3★) Contested Strong incumbent (>4.7★) All 3 tracked products in this niche — three views at once, no toggling. ### **Top sellers** by 90-day click share [1![amropi Womens Pullover Tracksuit Fleece Sweatshirt Jogging Pants 2 Pieces Sweatsuits Blue XXL](https://m.media-amazon.com/images/I/31VI+ubszUL.jpg)**amropi Womens Pullover Tracksuit Fleece Sweatshirt Jogging Pants 2 Pieces Sweatsuits Blue XXL**amropi**$33.48**3.8★97 rev](https://www.amazon.com/dp/B0BNTMT8Y8) [2![MapofBeauty 32 Inch/ 80 cm Long Straight Anime Costume Cosplay Wig Party Wig (Purple)](https://m.media-amazon.com/images/I/41LFjCu0FEL.jpg)**MapofBeauty 32 Inch/ 80 cm Long Straight Anime Costume Cosplay Wig Party Wig (Purple)**MapofBeauty**$11.86**4.1★6,576 rev](https://www.amazon.com/dp/B00GTJS2E2) [3![PINSV Womens Tracksuits 2 Piece Outfits Sweatsuit Long Sleeve Top Jogger Legging Pants Sets Navy Blue S](https://m.media-amazon.com/images/I/31K3WqfY1CL.jpg)**PINSV Womens Tracksuits 2 Piece Outfits Sweatsuit Long Sleeve Top Jogger Legging Pants Sets Navy Blue S**PINSV**$18.05**4.4★547 rev](https://www.amazon.com/dp/B0D7ZW51YB) ### **Newest** by launch date [![PINSV Womens Tracksuits 2 Piece Outfits Sweatsuit Long Sleeve Top Jogger Legging Pants Sets Navy Blue S](https://m.media-amazon.com/images/I/31K3WqfY1CL.jpg)**PINSV Womens Tracksuits 2 Piece Outfits Sweatsuit Long Sleeve Top Jogger Legging Pants Sets Navy Blue S**PINSV**$18.05**547 rev2y ago](https://www.amazon.com/dp/B0D7ZW51YB) [![amropi Womens Pullover Tracksuit Fleece Sweatshirt Jogging Pants 2 Pieces Sweatsuits Blue XXL](https://m.media-amazon.com/images/I/31VI+ubszUL.jpg)**amropi Womens Pullover Tracksuit Fleece Sweatshirt Jogging Pants 2 Pieces Sweatsuits Blue XXL**amropi**$33.48**97 rev3y ago](https://www.amazon.com/dp/B0BNTMT8Y8) [![MapofBeauty 32 Inch/ 80 cm Long Straight Anime Costume Cosplay Wig Party Wig (Purple)](https://m.media-amazon.com/images/I/41LFjCu0FEL.jpg)**MapofBeauty 32 Inch/ 80 cm Long Straight Anime Costume Cosplay Wig Party Wig (Purple)**MapofBeauty**$11.86**6,576 rev12y ago](https://www.amazon.com/dp/B00GTJS2E2) ### **Trending** 90-day click momentum [![PINSV Womens Tracksuits 2 Piece Outfits Sweatsuit Long Sleeve Top Jogger Legging Pants Sets Navy Blue S](https://m.media-amazon.com/images/I/31K3WqfY1CL.jpg)**PINSV Womens Tracksuits 2 Piece Outfits Sweatsuit Long Sleeve Top Jogger Legging Pants Sets Navy Blue S**PINSV**$18.05**4.4★**▲ 211%**](https://www.amazon.com/dp/B0D7ZW51YB) [![MapofBeauty 32 Inch/ 80 cm Long Straight Anime Costume Cosplay Wig Party Wig (Purple)](https://m.media-amazon.com/images/I/41LFjCu0FEL.jpg)**MapofBeauty 32 Inch/ 80 cm Long Straight Anime Costume Cosplay Wig Party Wig (Purple)**MapofBeauty**$11.86**4.1★**— 7%**](https://www.amazon.com/dp/B00GTJS2E2) [![amropi Womens Pullover Tracksuit Fleece Sweatshirt Jogging Pants 2 Pieces Sweatsuits Blue XXL](https://m.media-amazon.com/images/I/31VI+ubszUL.jpg)**amropi Womens Pullover Tracksuit Fleece Sweatshirt Jogging Pants 2 Pieces Sweatsuits Blue XXL**amropi**$33.48**3.8★**▼ 27%**](https://www.amazon.com/dp/B0BNTMT8Y8) ## **What reviews say buyers love and hate about ennui costume** What buyers praise and complain about, mined from review topics. ### **What buyers complain about ** **Size-Overall**50% *“Runs big”* **Weight Heavy**50% *“heavy and hard to work with”* ### **Top return reasons ** **Size-Overall**40% **Wig/Artificial Hair Quality**24% **Waist Fit**7% **Shape/Style**7% **Color**7% **Length**3% **Quality-Overall**3% **Functionality-Overall**3% **Ease Of Cleaning**3% **Advertised Vs Actual Product**2% ## **Common ennui costume questions**
**Is ennui costume profitable to sell on Amazon United States?**
The niche generates $0/yr across 3 tracked products. 90-day search growth is -30.4%. Flapen's verdict: Skip it (22/100).
**How competitive is the ennui costume niche?**
3 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
**What do buyers complain about in ennui costume?**
Top complaints mined from reviews: Size-Overall, Weight Heavy. The return rate is 9.6% — above our launch gate.
**When does demand for ennui costume peak?**
Demand peaks in Sep–Oct–Nov; the busiest month runs 78.5× the quietest.
**What does it cost to enter the ennui costume niche?**
Listings span $11.86–$33.48; the average listing price is $21.13 (sweet spot $15–$100). The average incumbent carries 2,407 reviews — the moat a new listing must climb.
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