---
title: "dr nefario costume — Niche Verdict: Skip it (32/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/dr-nefario-costume"
last_updated: "2026-07-13T20:32:51.239Z"
locale: en
meta:
  description: "a small market ($40K/yr) — dr nefario costume doesn't clear our bar today."
  "og:description": "a small market ($40K/yr) — dr nefario costume doesn't clear our bar today."
  "og:title": "dr nefario costume — Niche Verdict: Skip it (32/100) | Amazon United States - Flapen"
---

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# **dr nefario costume**

**Skip it**

A small market ($40K/yr) — this niche doesn't clear our bar today.

Market size 10Growth 19Conversion 55Competition 13Returns 21Price range 87Avg price 95Brand share 25Review moat 32Quality gap 43

**Avg price**

**Incredible****$23.64**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$7.67–$82.33**

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

**Conversion**

**Good****4.7%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,294.3**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****90%**

top-5 brand share — brand-locked demand

**Returns**

**Bad****6.9%**

return rate — above 6% kills the launch gate

**Growth**

**Bad****-11.7%**

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

**Competition**

**Bad****84%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$40K**

$40K/yr · 36K searches

## **Competition**

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **▼falling

**Sellers**

**25**

**Top-5 brand share**

**90%**

**Open market**

**6%**

- SATINIOR52% - Fun Costumes20% - WEICHUAN7% - VOGRYE6% - ROYAKI5% - BendyFigs4% - Open — no brand owns it (2 brands, 6%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$6K30%$12K45%$18K60%$24K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)](https://m.media-amazon.com/images/I/41yZm+ZNcCL.jpg)**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)**SATINIOR**$29.42**4.6★231 rev](https://www.amazon.com/dp/B09T9W16GX) [2![Adult Dr. Nefario Costume | Mens Despicable Me Movie Grus Gadgeteer Supervillain Outfit with Lab Coat Mask Pants Gloves Large](https://m.media-amazon.com/images/I/31pBcNNsu4L.jpg)**Adult Dr. Nefario Costume | Mens Despicable Me Movie Grus Gadgeteer Supervillain Outfit with Lab Coat Mask Pants Gloves Large**Fun Costumes**$82.33**4.7★19 rev](https://www.amazon.com/dp/B0DHLKWYLB) [3![SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)](https://m.media-amazon.com/images/I/41yZm+ZNcCL.jpg)**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)**SATINIOR**$30.12**4.6★231 rev](https://www.amazon.com/dp/B0BJ72ZY9T) [4![WEICHUAN Vintage Steampunk Goggles Mad Scientist Goggles Cosplay Punk Glasses for Adult Women Men Halloween Costume(Black)](https://m.media-amazon.com/images/I/410nctPNM+L.jpg)**WEICHUAN Vintage Steampunk Goggles Mad Scientist Goggles Cosplay Punk Glasses for Adult Women Men Halloween Costume(Black)**WEICHUAN**$7.67**4.6★3,924 rev](https://www.amazon.com/dp/B07FNLZ1S7) [5![ROYAKI Chemical Resistant Gloves Work Heavy Duty Industrial Rubber Gloves 12.2 1 Pair Size Medium](https://m.media-amazon.com/images/I/412QFoKRtsL.jpg)**ROYAKI Chemical Resistant Gloves Work Heavy Duty Industrial Rubber Gloves 12.2 1 Pair Size Medium**ROYAKI**$7.76**4.2★2,825 rev](https://www.amazon.com/dp/B09B3D57FN)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Adult Dr. Nefario Costume | Mens Despicable Me Movie Grus Gadgeteer Supervillain Outfit with Lab Coat Mask Pants Gloves Large](https://m.media-amazon.com/images/I/31pBcNNsu4L.jpg)**Adult Dr. Nefario Costume | Mens Despicable Me Movie Grus Gadgeteer Supervillain Outfit with Lab Coat Mask Pants Gloves Large**Fun Costumes**$82.33**19 rev1y ago](https://www.amazon.com/dp/B0DHLKWYLB) [![BendyFigs Minions Dr. Nefario](https://m.media-amazon.com/images/I/41pYqJUko1L.jpg)**BendyFigs Minions Dr. Nefario**BendyFigs**$16.26**53 rev3y ago](https://www.amazon.com/dp/B0BGYGTQGW) [![SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)](https://m.media-amazon.com/images/I/41yZm+ZNcCL.jpg)**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)**SATINIOR**$29.42**231 rev4y ago](https://www.amazon.com/dp/B09T9W16GX) [![SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)](https://m.media-amazon.com/images/I/41yZm+ZNcCL.jpg)**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)**SATINIOR**$30.12**231 rev4y ago](https://www.amazon.com/dp/B0BJ72ZY9T) [![ROYAKI Chemical Resistant Gloves Work Heavy Duty Industrial Rubber Gloves 12.2 1 Pair Size Medium](https://m.media-amazon.com/images/I/412QFoKRtsL.jpg)**ROYAKI Chemical Resistant Gloves Work Heavy Duty Industrial Rubber Gloves 12.2 1 Pair Size Medium**ROYAKI**$7.76**2,825 rev4y ago](https://www.amazon.com/dp/B09B3D57FN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)](https://m.media-amazon.com/images/I/41yZm+ZNcCL.jpg)**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)**SATINIOR**$30.12**4.6★**▲ 627%**](https://www.amazon.com/dp/B0BJ72ZY9T) [![SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)](https://m.media-amazon.com/images/I/41yZm+ZNcCL.jpg)**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)**SATINIOR**$29.42**4.6★**▲ 193%**](https://www.amazon.com/dp/B09T9W16GX) [![Rubies Alien Egg Cap Headpiece for Adults Unisex No Size](https://m.media-amazon.com/images/I/31CxJYqNVaS.jpg)**Rubies Alien Egg Cap Headpiece for Adults Unisex No Size**Rubies**$25.44**4.3★**▲ 148%**](https://www.amazon.com/dp/B001K3A45M) [![BendyFigs Minions Dr. Nefario](https://m.media-amazon.com/images/I/41pYqJUko1L.jpg)**BendyFigs Minions Dr. Nefario**BendyFigs**$16.26**4.6★**▲ 87%**](https://www.amazon.com/dp/B0BGYGTQGW) [![TamBee Black Steampunk Goggles Costume Cosplay Goggle Mad Scientist Goggles - Round Goggle Black Lens Elastic Band for Halloween Party Adult Women Men](https://m.media-amazon.com/images/I/41H5uKVLPCL.jpg)**TamBee Black Steampunk Goggles Costume Cosplay Goggle Mad Scientist Goggles - Round Goggle Black Lens Elastic Band for Halloween Party Adult Women Men**TamBee**$7.88**4.5★**▲ 75%**](https://www.amazon.com/dp/B072V7ZYF2)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 84 weeks — -11.7% search growth over the last 90 days.

7K5KHoliday '24Spike '25Prime Day '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 77.7×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**29%

*“Good quality”*

**Size-Overall**10%

*“Fits well”*

**Value For Money**9%

*“price was right”*

**Comfort-Overall**9%

*“The VOGRYE lab coat is comfortable and stylish, ideal for professionals”*

**Durability**6%

*“No tears, or holes so far”*

**Color**6%

*“Nice color”*

**Flexibility**2%

*“flexible too”*

**Ease Of Use**2%

*“Good use, feels good, cant complain”*

**Advertised Vs Actual Product**2%

*“As described”*

**Weight Heavy**2%

*“Great heavier gloves”*

### **What buyers complain about **

**Quality-Overall**13%

*“Cheaply made”*

**Size-Overall**10%

*“The cone was just much smaller than expected”*

**Durability**8%

*“they punctured within two months”*

**Thin**7%

*“Very thin”*

**Stain Resistance**7%

*“the literally melted leaving black stains on anything i touched”*

**Product Condition**7%

*“Thought I was buying a NEW product. Came scratched and already used.”*

**Thickness**5%

*“They are a bit thicker than the latex gloves I use for non caustic projects”*

**Value For Money**3%

*“Same problem just more expensive”*

**Transparency**3%

*“wrinkly and see through”*

**Material Quality**3%

*“Poor quality material”*

### **Top return reasons **

**Size-Overall**48%

**Sleeve Fit**8%

**Material Quality**7%

**Length**6%

**Quality-Overall**5%

**Thin**4%

**Shoulder Fit**3%

**Advertised Vs Actual Product**3%

**Arm Fit**2%

**Value For Money**2%