2018 baseball cards
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Review moat
Incredible79.71avg incumbent reviews — the moat a new listing must climb
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$201.34avg listing price — sweet spot $15–$100
Market size
Okay$121K$121K/yr · 73K searches
Growth
Bad-5.1%90-day search growth — must beat 0% to launch
Price range
Bad$24.17–$617.25cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 2018 baseball cards is a $121K/yr Amazon United States market (73K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Apr–Jul. Verdict: Skip it — 45/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
2018 baseball cards market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $201K–$252K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #631
- Page quality
- 0%
- Prime
- 29%
- Sponsored
- 18%
- Out of stock
- 9.3%
- Avg brand age
- 60 months
- Avg seller age
- 147 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
84
Top-5 brand share
96%
Top 20: 99%
Top-5 click share
52%
Top 20: 91%
Open market
2%
- Topps41%
- Generic39%
- Palos Designs12%
- Bowman3%
- HOFSM.COM Hall of Fame Sports Memorabilia2%
- --1%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.1% search growth over the last 90 days.Peak months: Apr, Jul · busiest ÷ quietest = 2.0×
Top 2018 baseball cards search terms
- 2018 topps baseball cards24K/yr
- 2018 baseball cards17K/yr
- 2018 topps chrome hobby box8K/yr
- 2018 baseball hobby box5K/yr
- 2018 topps5K/yr
- 2018 baseball cards box5K/yr
- 2018 topps chrome6K/yr
- baseball cards 20184K/yr
Top 2018 baseball cards 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2018 Topps Series 1 Baseball EXCLUSIVE HUGE Factory Sealed 72 Card Hanger Box with 1983 Topps Baseball Topps Salute & Other Great Insert Cards! Look for Autographs & Relics! Loaded!
Generic$137.213.6★10 rev
Shohei Ohtani PSA Graded Card Mystery Power Pack - 1 PSA Graded Ohtani Card and 2 Packs of Cards Per Pack - Amazon Exclusive
Palos Designs$84.542.9★181 rev
2018 Topps Series 1 Baseball EXCLUSIVE Factory Sealed JUMBO FAT Pack with 36 Cards including Exclusive Insert! Loaded with Cool Inserts & Rookies! Look for Autographs & Relics! Loaded!
Generic$46.723.6★18 rev
Topps 2018 Series 1 Hobby Box
Topps$355.250.0★0 rev
Los Angeles Angels 2018 Topps Factory Sealed EXCLUSIVE Special Limited Edition 17 Card Team Set with Shohei Ohtani Rookie Card Plus Mike Trout and others
Topps$128.314.4★61 rev
Newest
by launch date
2018 Topps Series One 1 Baseball 10-Card Hobby Pack
Topps$28.901 rev
Topps 2025 Chrome Baseball Update Series Value Blaster Box
Topps$47.2689 rev
2018 Topps Baseball 708 Card Complete Factory Set with EXCLUSIVE CHROME ROOKIE RELIC! Includes Rookies of Ronald Acuna Jr Gleyber Torres Shohei Ohtani & More! Includes all Series 1 & 2 Cards!
Generic$521.930 rev
PSA 10 Graded 2018 MLB Baseball Rookie Card Mystery Box (Ohtani Soto Acuna & More!)
HOFSM.COM Hall of Fame Sports Memorabilia$118.411 rev
2018 Topps Series 1 Baseball EXCLUSIVE HUGE Factory Sealed 72 Card Hanger Box with 1983 Topps Baseball Topps Salute & Other Great Insert Cards! Look for Autographs & Relics! Loaded!
Generic$137.2110 rev
Trending
90-day click momentum2018 Topps Series One 1 Baseball 10-Card Hobby Pack
Topps$28.904.0★
Los Angeles Angels 2018 Topps Factory Sealed EXCLUSIVE Special Limited Edition 17 Card Team Set with Shohei Ohtani Rookie Card Plus Mike Trout and others
Topps$128.314.4★
Topps 2025 Chrome Baseball Update Series Value Blaster Box
Topps$47.264.2★
Topps 2019 Heritage Baseball Blaster Box (8 Packs/9 Cards)
Topps$57.594.0★
Topps 2018 Opening Day Baseball Factory Sealed Trading Card Pack
Topps$24.173.2★
What buyers say about 2018 baseball cards
What buyers praise and complain about, mined from review topics.What buyers love
“Received 2 good cards - well worth the money”
“Box holds some surprises for the collectors”
“As advertised”
“Great product”
“Always a good gift for a collector”
“Very fun”
What buyers complain about
“what a waste of money”
“Garbage cards”
“This seemed like it was probably a repack”
“I broke even or worse”
“This might be the biggest scam on Amazon”
“I bought this expecting at least something—especially with the way its advertised”
Top return reasons
Common questions
- Is 2018 baseball cards profitable to sell on Amazon United States?
- The niche generates $121K/yr across 28 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.1%. Flapen's verdict: Skip it (45/100).
- How competitive is the 2018 baseball cards niche?
- 7 brands and 84 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in 2018 baseball cards?
- Top complaints mined from reviews: Value For Money, Quality-Overall, Product Condition. The return rate is 0.3%.
- When does demand for 2018 baseball cards peak?
- Demand peaks in Apr–Jul; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 2018 baseball cards niche?
- Listings span $24.17–$617.25; the average listing price is $201.34 (sweet spot $15–$100). The average incumbent carries 80 reviews — the moat a new listing must climb.