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.

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.

Quality gap

Great4.0★

avg incumbent rating — lower means beatable quality

Review moat

Great247.56

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$95.51

avg listing price — sweet spot $15–$100

Returns

Good2.0%

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

Bad91%

top-5 click share — a locked-up shelf

Conversion

Bad0.4%

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

Market size

Bad$8K

$8K/yr · 18K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

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

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

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

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.

Open 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.

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

Great Eastern Entertainment One Piece Luffy Zoro & Sanji Metal Keychain

Great Eastern Entertainment$12.984.7★949 rev

One Piece TCG - Carrying on His Will Booster Box (OP-13) 24 Booster Packs

BANDAI$282.784.4★30 rev

One Piece TCG: Carrying on His Will Sleeved Booster Pack (OP-13) - 12 Cards

BANDAI$27.113.4★17 rev

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$26.534.5★366 rev

One Piece Card Game Carrying On His Will OP-13 Booster Pack (Japanese) - 3 Packs - 15 Cards

CE$23.823.3★4 rev

Newest

by launch date

One Piece Card Game TCG - Carrying On His Will 12-Card Booster Pack - OP-13 English Version

BANDAI$25.391 rev

4mo ago

One Piece Card Game EB-03 Extra Booster Box

gamestimeaversa$360.869 rev

7mo ago

One Piece TCG Japanese Carrying On His Will Booster Pack - Set of 2 (10 Cards Total)

BANDAI$21.415 rev

7mo ago

One Piece TCG: Carrying on His Will Sleeved Booster Pack (OP-13) - 12 Cards

BANDAI$27.1117 rev

8mo ago

One Piece Card Game Carrying On His Will OP-13 Booster Pack (Japanese) - 3 Packs - 15 Cards

CE$23.824 rev

9mo ago

What buyers say about carrying on his will one piece

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

What buyers love

Quality-Overall60%

“But the cards were of great quality”

Durability20%

“Very durable”

Collectibles20%

“Perfect for the card collector in your life”

What buyers complain about

Value For Money21%

“OVERPRICED”

Advertised Vs Actual Product21%

“As mentioned by others not sleeved, wrapper is loose and suspect”

Color14%

“A little white edges”

Size-Overall14%

“Too small”

Weight Heavy14%

“Probably weighed too”

Material Quality14%

“the material is cheap”

Top return reasons

Advertised Vs Actual Product54%

Size-Overall16%

Product Condition8%

Value For Money5%

Defective Material/Parts3%

Thigh Fit3%

Chest Fit3%

Ethical Trade/Fair Trade3%

Thin3%

Width1%

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.