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link to Top 10 Shohei Ohtani Investment Cards under $100

Top 10 Shohei Ohtani Investment Cards under $100

As I have stated in previous articles and videos, this year for my personal collection/investments the focus will be on Ohtani. He is simply the best player in baseball presently, and maybe in the...

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link to eBay Buying and Selling Activity for December 2024.

eBay Buying and Selling Activity for December 2024.

December was a very busy month for us. Many of you know that my wife Dawn is one of the largest resellers of collectible Hallmark Christmas ornaments in the USA. Hallmark along with our other...

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link to 2025 The Year of Shohei Ohtani “The Greatest Baseball Player of All Time?”

2025 The Year of Shohei Ohtani “The Greatest Baseball Player of All Time?”

It has been one year since my wife Dawn and I decided to build out our sportscard investment business, CMG Sportscard Invesments. Many of you have been with us on this journey and we sincerely...

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link to eBay Buys & Sells for November 2024

eBay Buys & Sells for November 2024

Experts tell us that sports card sales slow down in November and December and normally pick up byJanuary 15th.  We have found the number of sales to be about the same, but the dollar amount per sale...

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link to Why Investing in Baseball Cards of Pitchers Historically Underperforms Compared to Position Players

Why Investing in Baseball Cards of Pitchers Historically Underperforms Compared to Position Players

Every month I do a review of the cards that I have bought and sold only on eBay. Last month I bought my first Paul Skeenes cards. It was paper, nothing special. In the video I made the comment and...

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link to The World Series Effect: How Performance in Baseball’s Biggest Stage Boosts Baseball Card Values

The World Series Effect: How Performance in Baseball’s Biggest Stage Boosts Baseball Card Values

The World Series is the pinnacle of Major League Baseball, drawing millions of fans each year to watch the best teams compete for the ultimate prize. to be crowned as World Champions. But beyond the...

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About Us

CMGSportsCardInvestments.com is operated by Dale & Dawn Calvert and the team at Calvert Marketing Group Inc. Dale is a serial entrepreneur and provides No-Fluff Insights on investing in Sports Cards and everything that the collectibles market encompasses.

Mr. Calvert and Calvert Marketing Group are not financial advisors. They are simply enthusiasts. This website is to share personal experiences and basic fundamental information for entertainment purposes. We are not providing financial or legal advice, seek a competent licensed professional if you need to.

Our goal is simple: Provide simple to follow systems that will help entrepreneurial minded people make profits flipping sports cards, even if they know nothing about sports. Our systems are making us profits every week, and we know they can do the same for you!



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