---
title: "Carrying on His Will One Piece — $8K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/carrying-on-his-will-one-piece"
last_updated: "2026-08-08T15:13:31.446Z"
locale: en
meta:
description: "Niche score 30/100 · $8K/yr market · 18K searches/yr · $95.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 30/100 · $8K/yr market · 18K searches/yr · $95.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Carrying on His Will One Piece — $8K/yr Amazon US Niche (2026) - Flapen"
---
# **carrying on his will one piece**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 2Growth 10Conversion 6Competition 8Returns 74Price range 24Avg price 77Brand share 0Review moat 88Quality gap 93
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****247.56**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$95.51**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.0%**
return rate — above 5% kills the launch gate
**Price range**
**Bad****$12.98–$360.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-29.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$8K**
$8K/yr · 18K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, carrying on his will one piece is a $8K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 30/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carrying on his will one piece market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$24K–$48K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#964**
- **Page quality**
- **0%**
- **Prime**
- **56%**
- **Sponsored**
- **44%**
- **Out of stock**
- **37.8%**
- **Avg brand age**
- **25 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **
**Sellers**
**63**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- BANDAI50% - Great Eastern Entertainment35% - One Piece7% - CE4% - gamestimeaversa3% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 34 weeks — -29.7% search growth over the last 90 days.
1K750Spike '26Prime Day '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26
[**Open Trend **](https://flapen.com/research/us/toys-games/carrying-on-his-will-one-piece/trend)
## **Top carrying on his will one piece products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$77320%$2K30%$2K40%$3K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain**Great Eastern Entertainment**$12.98**4.7★949 rev](https://www.amazon.com/dp/B00CM3NBC2) [2**One Piece TCG - Carrying on His Will Booster Box (OP-13) 24 Booster Packs**BANDAI**$282.78**4.4★30 rev](https://www.amazon.com/dp/B0FNLZG13B) [3**One Piece TCG: Carrying on His Will Sleeved Booster Pack (OP-13) - 12 Cards**BANDAI**$27.11**3.4★17 rev](https://www.amazon.com/dp/B0G1V3CYGY) [4**One Piece Anime Merch Manga Jumpsuit One-Piece Pajamas for Teens and Men Warm Cozy Soft Lounge Wear Luffy Gifts for Men(Black XXL)**One Piece**$26.53**4.5★366 rev](https://www.amazon.com/dp/B0CDWYV369) [5**One Piece Card Game Carrying On His Will OP-13 Booster Pack (Japanese) - 3 Packs - 15 Cards**CE**$23.82**3.3★4 rev](https://www.amazon.com/dp/B0FYSQ59SL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**One Piece Card Game TCG - Carrying On His Will 12-Card Booster Pack - OP-13 English Version**BANDAI**$25.39**1 rev4mo ago](https://www.amazon.com/dp/B0GR1SQM35) [**One Piece Card Game EB-03 Extra Booster Box**gamestimeaversa**$360.86**9 rev7mo ago](https://www.amazon.com/dp/B0GDLKYM8Y) [**One Piece TCG Japanese Carrying On His Will Booster Pack - Set of 2 (10 Cards Total)**BANDAI**$21.41**5 rev7mo ago](https://www.amazon.com/dp/B0GBY85556) [**One Piece TCG: Carrying on His Will Sleeved Booster Pack (OP-13) - 12 Cards**BANDAI**$27.11**17 rev8mo ago](https://www.amazon.com/dp/B0G1V3CYGY) [**One Piece Card Game Carrying On His Will OP-13 Booster Pack (Japanese) - 3 Packs - 15 Cards**CE**$23.82**4 rev9mo ago](https://www.amazon.com/dp/B0FYSQ59SL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**One Piece Anime Merch Manga Jumpsuit One-Piece Pajamas for Teens and Men Warm Cozy Soft Lounge Wear Luffy Gifts for Men(Black XXL)**One Piece**$26.53**4.5★**▲ 284%**](https://www.amazon.com/dp/B0CDWYV369) [**One Piece Card Game EB-03 Extra Booster Box**gamestimeaversa**$360.86**3.0★**▲ 282%**](https://www.amazon.com/dp/B0GDLKYM8Y) [**Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain**Great Eastern Entertainment**$12.98**4.7★**▲ 280%**](https://www.amazon.com/dp/B00CM3NBC2) [**One Piece Card Game TCG - Carrying On His Will 12-Card Booster Pack - OP-13 English Version**BANDAI**$25.39**5.0★**▲ 212%**](https://www.amazon.com/dp/B0GR1SQM35) [**One Piece TCG Japanese Carrying On His Will Booster Pack - Set of 2 (10 Cards Total)**BANDAI**$21.41**4.5★**▲ 74%**](https://www.amazon.com/dp/B0GBY85556)
**~~View all trending →~~**
## **What buyers say about carrying on his will one piece**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**60%
*“But the cards were of great quality”*
**Durability**20%
*“Very durable”*
**Collectibles**20%
*“Perfect for the card collector in your life”*
### **What buyers complain about **
**Value For Money**21%
*“OVERPRICED”*
**Advertised Vs Actual Product**21%
*“As mentioned by others not sleeved, wrapper is loose and suspect”*
**Color**14%
*“A little white edges”*
**Size-Overall**14%
*“Too small”*
**Weight Heavy**14%
*“Probably weighed too”*
**Material Quality**14%
*“the material is cheap”*
### **Top return reasons **
**Advertised Vs Actual Product**54%
**Size-Overall**16%
**Product Condition**8%
**Value For Money**5%
**Defective Material/Parts**3%
**Thigh Fit**3%
**Chest Fit**3%
**Ethical Trade/Fair Trade**3%
**Thin**3%
**Width**1%
## **Common questions**
- **Is carrying on his will one piece profitable to sell on Amazon United States?**
- The niche generates $8K/yr across 9 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is -29.7%. Flapen's verdict: Skip it (30/100).
- **How competitive is the carrying on his will one piece niche?**
- 5 brands and 63 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in carrying on his will one piece?**
- Top complaints mined from reviews: Value For Money, Advertised Vs Actual Product, Color. The return rate is 2.0%.
- **What does it cost to enter the carrying on his will one piece niche?**
- Listings span $12.98–$360.86; the average listing price is $95.51 (sweet spot $15–$100). The average incumbent carries 248 reviews — the moat a new listing must climb.
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