---
title: "Inside Out Fear Costume — $3K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/inside-out-fear-costume"
last_updated: "2026-08-12T19:48:32.255Z"
locale: en
meta:
description: "Amazon product research for inside out fear costume: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for inside out fear costume: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Inside Out Fear Costume — $3K/mo Amazon US Product Research"
---
# **Inside Out Fear Costume**
**Skip it**
A small market ($38K/yr) — this niche doesn't clear our bar today.
Market size 9Growth 15Conversion 36Competition 33Returns 15Price range 89Avg price 95Brand share 40Review moat 98Quality gap 78
**Review moat**
**Incredible****40.06**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$23.28**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.19–$69.76**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****2.9%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-20.3%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****7.8%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$38K**
$38K/yr · 56K searches
**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 inside out fear costume profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, inside out fear costume is a $38K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 40/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **inside out fear 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**
- **$29K–$35K**
- units × avg price
- **Conversion rate**
- **2.9%**
- **Avg BSR**
- **#54,395**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **44%**
- **Out of stock**
- **31.1%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **148 days**
## **Competition: brands, sellers & click share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**17**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**16%**
- JQAKFIY44% - SweatyRocks11% - WHGAW11% - Tellingyou8% - CoserDepot8% - Disney3% - Open — no brand owns it (8 brands, 16%)
## **inside out fear costume demand & seasonality**
Weekly Amazon search volume, last 91 weeks — -20.3% search growth over the last 90 days.
12K8KSpike '25Prime Day '25Spike '26 seasonNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 54.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/inside-out-fear-costume/trend)
## **Top inside out fear costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **fear costume inside out**5K/yr+41.9%2.4% conv. - **fear inside out**3K/yr+2.3%2.5% conv. - **fear inside out costume**17K/yr-26.1%3.7% conv. - **inside out fear costume**9K/yr-22.1%2.1% conv. - **fear costume**5K/yr-44.4%1.1% conv. - **inside out fear costume adult**5K/yr-63.8%0.0% conv. - **fear costume inside out adult**7K/yr-88.4%0.0% conv. - **fear inside out costume adult**5K/yr-81.8%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/inside-out-fear-costume/search-terms)
## **Top inside out fear 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%$4K20%$8K30%$11K40%$15K1101001K 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 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fear Costume Inside Cosplay Out 2 Fear Top Shirt Fear Emotions Halloween Cosplay Costume 2XL**JQAKFIY**$32.12**4.4★16 rev](https://www.amazon.com/dp/B0DHRYTBB8) [2**Fear Costume Inside Cosplay Out 2 Fear Top Shirt Fear Emotions Halloween Cosplay Costume L**JQAKFIY**$32.23**4.4★16 rev](https://www.amazon.com/dp/B0DHRXYL6M) [3**SweatyRocks Womens Sleeveless V Neck Knit Sweater Vest Houndstooth Crop Tank Top White Black S**SweatyRocks**$15.68**4.4★123 rev](https://www.amazon.com/dp/B09957M3RC) [4**4Pcs Halloween Costumes Accessories Adult Purple Beanies Hat Eyes Fake Eyebrows Sticker Bow Tie Party Fear Cosplay Set out inside**WHGAW**$16.79**5.0★2 rev](https://www.amazon.com/dp/B0FQCRSQ6R) [5**Fear Costume Inside Cosplay Out 2 Fear Top Shirt Fear Emotions Halloween Cosplay Costume M**JQAKFIY**$31.96**4.4★16 rev](https://www.amazon.com/dp/B0DM1DYX6T)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**4Pcs Halloween Costumes Accessories Adult Purple Beanies Hat Eyes Fake Eyebrows Sticker Bow Tie Party Fear Cosplay Set out inside**WHGAW**$16.79**2 rev10mo ago](https://www.amazon.com/dp/B0FQCRSQ6R) [**Tellingyou 5 Pcs Halloween Inside Costumes Accessories Googly Eyes Glasses Bushy Fake Eyebrows Beanies Tie Gloves for Cosplay Party**Tellingyou**$19.67**17 rev1y ago](https://www.amazon.com/dp/B0FC28QMD3) [**Buckle-Down Disney Dog Toy Pixar Inside Out Fear Full Body Pose Plush**Buckle-Down**$11.47**125 rev1y ago](https://www.amazon.com/dp/B0F9BJKSYN) [**Disney & Pixar Inside Out Fear Costume for Kids - Includes Shirt Vest Bow Tie Headpiece & Gloves - Officially Licensed Large**Fun Costumes**$69.76**0 rev1y ago](https://www.amazon.com/dp/B0F9C8C1RH) [**Inside Out 2 Character Fear Soft Stuffed Plush Toy 10 inches Doll (Fear)**suliutoys**$12.56**28 rev1y ago](https://www.amazon.com/dp/B0DXP8JT51)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fear Costume Inside Cosplay Out 2 Fear Top Shirt Fear Emotions Halloween Cosplay Costume L**JQAKFIY**$32.23**4.4★**▲ 859%**](https://www.amazon.com/dp/B0DHRXYL6M) [**Fear Costume Inside Cosplay Out 2 Fear Top Shirt Fear Emotions Halloween Cosplay Costume M**JQAKFIY**$31.96**4.4★**▲ 799%**](https://www.amazon.com/dp/B0DM1DYX6T) [**Disney & Pixar Inside Out Fear Costume for Kids - Includes Shirt Vest Bow Tie Headpiece & Gloves - Officially Licensed Large**Fun Costumes**$69.76**0.0★**▲ 667%**](https://www.amazon.com/dp/B0F9C8C1RH) [**Juniors Inside Out Fear Portrait T-Shirt - Purple - Large**Disney**$15.35**3.6★**▲ 616%**](https://www.amazon.com/dp/B01IT3UD4W) [**SweatyRocks Womens Sleeveless V Neck Knit Sweater Vest Houndstooth Crop Tank Top White Black S**SweatyRocks**$15.68**4.4★**▲ 296%**](https://www.amazon.com/dp/B09957M3RC)
**~~View all trending →~~**
## **What reviews say buyers love and hate about inside out fear costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**75%
*“good size”*
**Value For Money**25%
*“good for the price”*
### **What buyers complain about **
**Design-Overall**100%
*“Looks cheaply made”*
### **Top return reasons **
**Size-Overall**59%
**Length**10%
**Thin**6%
**Value For Money**4%
**Adhesion/Stickiness**4%
**Shoulder Fit**2%
**Arm Fit**2%
**Unsustainable Design**2%
**Zipper Quality**2%
**Quality-Overall**2%
## **Common inside out fear costume questions**
- **Is inside out fear costume profitable to sell on Amazon United States?**
- The niche generates $38K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.3%. Flapen's verdict: Skip it (40/100).
- **How competitive is the inside out fear costume niche?**
- 14 brands and 17 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in inside out fear costume?**
- Top complaints mined from reviews: Design-Overall. The return rate is 7.8% — above our launch gate.
- **When does demand for inside out fear costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 54.4× the quietest.
- **What does it cost to enter the inside out fear costume niche?**
- Listings span $10.19–$69.76; the average listing price is $23.28 (sweet spot $15–$100). The average incumbent carries 40 reviews — the moat a new listing must climb.
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