---
title: "Finn the Human Costume — $2K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/finn-the-human-costume"
last_updated: "2026-08-12T15:55:20.843Z"
locale: en
meta:
description: "Amazon product research for finn the human costume: $2K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for finn the human costume: $2K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Finn the Human Costume — $2K/mo Amazon US Product Research"
---
# **Finn the Human Costume**
**Skip it**
A small market ($28K/yr) — this niche doesn't clear our bar today.
Market size 7Growth 48Conversion 8Competition 35Returns 37Price range 70Avg price 85Brand share 53Review moat 58Quality gap 38
**Avg price**
**Great****$19.13**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.25–$30.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,184.12**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+18.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****4.1%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Bad****0.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$28K**
$28K/yr · 237K searches
## **Is finn the human costume profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, finn the human costume is a $28K/yr Amazon United States market (237K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 38/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **finn the human costume market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$57K–$77K**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#29,451**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **59%**
- **Out of stock**
- **19.8%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **179 days**
## **Competition: brands, sellers & click share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**22%**
- Adventure Time40% - Cosplaya12% - Rose's Secret9% - Zando7% - Munetoshi5% - GZHOK5%
## **finn the human costume demand & seasonality**
Weekly Amazon search volume, last 84 weeks — +18.3% search growth over the last 90 days.
50K30KSpike '25Prime Day '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 60.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/finn-the-human-costume/trend)
## **Top finn the human costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **adventure time costume**64K/yr+41.7%0.5% conv. - **finn the human costume**50K/yr+66.1%2.1% conv. - **adventure time cosplay**9K/yr-2.5%0.2% conv. - **finn costume**22K/yr+59.5%1.2% conv. - **finn the human**10K/yr-18.7%0.4% conv. - **adventure time costumes**15K/yr+6.0%0.1% conv. - **finn adventure time**8K/yr-13.7%0.7% conv. - **finn adventure time costume**21K/yr+28.5%2.0% conv. - **adventure time finn costume**19K/yr-6.6%1.4% conv. - **fin adventure time costume**7K/yr+47.5%1.9% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/finn-the-human-costume/search-terms)
## **Top finn the human 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★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Adventure Time Mens Finn Character Hat White One Size**Adventure Time**$19.13**4.5★1,358 rev](https://www.amazon.com/dp/B005H3BT46) [2**Cosplaya Mens Gold King Crown Costume Hat Prince Medieval Cosplay Adventure Womens Halloween Christmas Costumes One Size**Cosplaya**$19.32**4.9★22 rev](https://www.amazon.com/dp/B0F4DYK2HX) [3**Zando Womens Stripe Over the Knee Socks Thin Long Tube Stockings Casual Thigh High Cosplay Legging Sock for Women G White w Blue**Zando**$10.18**4.5★14,760 rev](https://www.amazon.com/dp/B07M5JXTGH) [4**Roses Secret Adventure Finn Hat: Costume Time Cap The Human Character Cosplay Merch Gifts - Plush Beanie Merchandise Gifts**Rose's Secret**$9.50**4.2★76 rev](https://www.amazon.com/dp/B0FNJVVX94) [5**Munetoshi 24 Foam Golden Battle Sword Adventure Fantasy Cosplay Costume Prop**Munetoshi**$22.38**4.7★128 rev](https://www.amazon.com/dp/B0CPKQT5T3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Jococs White Character Hat and Green Backpack Anime Costume Set Funny Costume Accessories for Halloween Party**Jococs**$21.30**1 rev3mo ago](https://www.amazon.com/dp/B0GVDLYSJ9) [**Mewcho Green Backpack 15.35 for the Human Costume Cartoon Green Bag Merch Gifts Character Cosplay Accessories for Adults**Mewcho**$26.45**15 rev5mo ago](https://www.amazon.com/dp/B0GJSDMV72) [**Roses Secret Costume Backpack for Adventure Times Cosplay: Anime Merch Character Finn the Human Green Bag**Rose's Secret**$21.90**51 rev9mo ago](https://www.amazon.com/dp/B0FNK5JLH3) [**Roses Secret Adventure Finn Hat: Costume Time Cap The Human Character Cosplay Merch Gifts - Plush Beanie Merchandise Gifts**Rose's Secret**$9.50**76 rev10mo ago](https://www.amazon.com/dp/B0FNJVVX94) [**Cosplaya Mens Gold King Crown Costume Hat Prince Medieval Cosplay Adventure Womens Halloween Christmas Costumes One Size**Cosplaya**$19.32**22 rev1y ago](https://www.amazon.com/dp/B0F4DYK2HX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Jococs White Character Hat and Green Backpack Anime Costume Set Funny Costume Accessories for Halloween Party**Jococs**$21.30**4.0★**▲ 411%**](https://www.amazon.com/dp/B0GVDLYSJ9) [**Popfunk Adventure Time Finn Head Unisex Adult T Shirt (Large) Turquoise**Popfunk**$19.84**3.9★**▲ 369%**](https://www.amazon.com/dp/B09XB549NW) [**Mewcho Green Backpack 15.35 for the Human Costume Cartoon Green Bag Merch Gifts Character Cosplay Accessories for Adults**Mewcho**$26.45**4.9★**▲ 328%**](https://www.amazon.com/dp/B0GJSDMV72) [**Cosplaya Mens Gold King Crown Costume Hat Prince Medieval Cosplay Adventure Womens Halloween Christmas Costumes One Size**Cosplaya**$19.32**4.9★**▲ 228%**](https://www.amazon.com/dp/B0F4DYK2HX) [**Adventure Time Jake in Pocket T-Shirt (XX-Large) Teal**Adventure Time**$19.85**4.8★**▲ 223%**](https://www.amazon.com/dp/B07DR5T5G9)
**~~View all trending →~~**
## **What reviews say buyers love and hate about finn the human costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“These are the reciprocal quality for price”*
**Advertised Vs Actual Product**13%
*“It looks like the pictures”*
**Size-Overall**8%
*“they fit perfectly with sone extra room for a couple more things to fit in”*
**Comfort-Overall**8%
*“comfortable”*
**Soft Feel**6%
*“It is plush and soft”*
**Weight Light**5%
*“the lightweight design makes it ideal for kids or even as a fun cosplay accessory”*
**Color**5%
*“Bright colors”*
**Thickness**4%
*“Good quality, thicker than expected”*
**Portability**3%
*“it worked like a charm while allowing me to carry my stuff”*
**Design-Overall**3%
*“The value is fair because the design is eye-catching and fun,”*
### **What buyers complain about **
**Size-Overall**19%
*“Runs small”*
**Quality-Overall**10%
*“Not very well made”*
**Hard Feel**4%
*“a little tough”*
**Pain Relief-Overall**4%
*“it may still hurt lmao”*
**Advertised Vs Actual Product**4%
*“This pic is NOT ACCURATE on sizing”*
**Portability**4%
*“Not great quality for carrying items as it is more or less felt”*
**Strap/String Quality**4%
*“The other thing is the adjustable straps, seem a little too long, even for me”*
**Durability**3%
*“Literally fell apart at the seams the first time my son wore it”*
**Zipper Quality**3%
*“was the perfect size unfortunately the zipper broke 3 months after buying it”*
**Value For Money**2%
*“the price is a little high for a novelty backpack with limited general-purpose use”*
### **Top return reasons **
**Size-Overall**58%
**Material Quality**6%
**Advertised Vs Actual Product**5%
**Zipper Quality**3%
**Length**3%
**Product Condition**3%
**Color**2%
**Stitch/Finish/Polish**2%
**Strap/String Quality**2%
**Shape/Style**2%
## **Common finn the human costume questions**
- **Is finn the human costume profitable to sell on Amazon United States?**
- The niche generates $28K/yr across 17 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +18.3%. Flapen's verdict: Skip it (38/100).
- **How competitive is the finn the human costume niche?**
- 14 brands and 20 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in finn the human costume?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Hard Feel. The return rate is 4.1%.
- **When does demand for finn the human costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 60.2× the quietest.
- **What does it cost to enter the finn the human costume niche?**
- Listings span $8.25–$30.48; the average listing price is $19.13 (sweet spot $15–$100). The average incumbent carries 1,184 reviews — the moat a new listing must climb.
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