prb-01
Skip itA small market ($12K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Great$57.09avg listing price — sweet spot $15–$100
Review moat
Great207.85avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Okay$20.57–$183.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Brand share
Bad94%top-5 brand share — brand-locked demand
Growth
Bad-24.1%90-day search growth — must beat 0% to launch
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad$12K$12K/yr · 21K searches
According to Flapen's Amazon United States niche tracking, prb-01 is a $12K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Oct. Verdict: Skip it — 39/100.
Data updated Jul 31, 2026 · scored weekly · How we score niches
prb-01 market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $14K–$29K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #986
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 38%
- Out of stock
- 28.3%
- Avg brand age
- 30 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
51
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
2%
- BANDAI55%
- Generic22%
- CE7%
- TCG Fabrik6%
- MYCYBERSTASH4%
- One Piece4%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 82 weeks — -24.1% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.5×
Top prb-01 search terms
- prb6K/yr
- one piece prb-014K/yr
- prb-015K/yr
- one piece the best4K/yr
- one piece the best booster box2K/yr
- one piece prb-01 english509/yr
- prb-01 english229/yr
Top prb-01 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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
One Piece Card Game PRB-01 Premium Booster - EN (10 Cards)
BANDAI$30.723.1★12 rev

One Piece Card Game The Best Vol.2 (PRB-02) Booster Box (Japanese) - 10 Packs
BANDAI$51.284.7★696 rev

ONE Piece Card Game The Best (PRB-01) Booster Pack (Japanese) 3 Packs - 30 Cards
Generic$35.185.0★1 rev

One Piece Card Game TCG - Premium Booster The Best Vol. 2 10-Card Booster Pack - PRB-02 English Version
BANDAI$24.903.4★9 rev

One Piece Card Game The Best Vol.2 (PRB-02) Booster Box Japanese - 10 Packs
Generic$81.315.0★3 rev
Newest
by launch date
One Piece Card Game The Best Vol.2 (PRB-02) Booster Box Japanese - 10 Packs
Generic$81.313 rev

ONE Piece Card Game The Best (PRB-01) Booster Pack (Japanese) 3 Packs - 30 Cards
Generic$35.181 rev

One Piece Card Game TCG - Premium Booster The Best Vol. 2 10-Card Booster Pack - PRB-02 English Version
BANDAI$24.909 rev

One Piece Original Japanese Sealed Booster Box OP TCG (PRB01 Booster Box The Best Vol.1 Premium Booster Box Display Factory Sealed for PRB01 One Piece TCG Japanese (10 Packs))
TCG Fabrik$183.114 rev

One Piece Card Game The Best Vol.2 PRB-02 Booster Pack (Japanese) - 3 Packs - 30 Cards
CE$24.066 rev
Trending
90-day click momentum
One Piece 5 Pack Crew Socks for Men Teens Funny Anime Breathable Socks for Work Sports Novelty Gifts for Men (8/12 UK Black)
One Piece$24.174.8★

One Piece Card Game The Best Vol.2 (PRB-02) Booster Box Japanese - 10 Packs
Generic$81.315.0★

One Piece Original Japanese Sealed Booster Box OP TCG (PRB01 Booster Box The Best Vol.1 Premium Booster Box Display Factory Sealed for PRB01 One Piece TCG Japanese (10 Packs))
TCG Fabrik$183.114.5★

One Piece Card Game TCG - Premium Booster The Best Vol. 2 10-Card Booster Pack - PRB-02 English Version
BANDAI$24.903.4★

ONE Piece Card Game The Best (PRB-01) Booster Pack (Japanese) 3 Packs - 30 Cards
Generic$35.185.0★
What buyers say about prb-01
What buyers praise and complain about, mined from review topics.What buyers love
“Worth the money”
“Looks to be well made”
“Exactly what you expect”
“Decent cards”
“Great gift”
“Fun Experience”
“Soft and comfortable”
“comfortable”
“the colors are vibrant”
“Cool designs”
What buyers complain about
“also didnt get anything good in the packs for $74 kinda pricey”
“FALSE ADVERTISING”
“This was a gift and expensive”
“This is a scam”
“Lacks true variety”
“they are kind of tight”
“these are really tight on his legs”
Top return reasons
Common questions
- Is prb-01 profitable to sell on Amazon United States?
- The niche generates $12K/yr across 13 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -24.1%. Flapen's verdict: Skip it (39/100).
- How competitive is the prb-01 niche?
- 7 brands and 51 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in prb-01?
- Top complaints mined from reviews: Value For Money, Advertised Vs Actual Product, Gifting Purpose. The return rate is 0.8%.
- When does demand for prb-01 peak?
- Demand peaks in Oct; the busiest month runs 1.5× the quietest.
- What does it cost to enter the prb-01 niche?
- Listings span $20.57–$183.11; the average listing price is $57.09 (sweet spot $15–$100). The average incumbent carries 208 reviews — the moat a new listing must climb.