Basics

Sports Card Sales And New 1099-K Laws

There are new 1099-K tax reporting laws coming into effect for 2022. If you sell sports cards, you must report your income to the IRS. If you have never filed…

What Is SAGE Sports Cards?

What is SAGE sports cards you ask? They release hits heavy boxes that hold up well in the marketplace. Click for investment ideas.

New Years Sports Card Resolutions

Every year around this time, people talk about their New Years Resolutions. But what is the point of making them? They are generally meant to encourage our better traits and…

Ultimate Mosaic Parallel Guide

The ultimate Mosaic parallel guide gives you the lowdown on parallels in the popular series. Click for tips on value and key cards.

The Upper Deck Young Guns Guide

For collectors seeking top-shelf rookie cards, the Young Guns are a must-have. What began as just another mass-produced subset has gradually evolved into hockey’s most popular subset. To answer all…

A Guide To Topps Sapphire Releases

Topps has issued a wide variety of Sapphire products in recent years. They generally hold strong value. But with so many products, what offers the best value? We have the…

What Is A Sports Card Razz?

“Razz it.” If you’ve spent any time in a Facebook sports card group, you’ll have undoubtedly heard that phrase before. But what is a sports card razz? But many new…

MLB Free-Agency Trades And Card Value

There’s never a lack of trade and free-agent signing rumors. As the MLB postseason winds down and a new champion is crowned, the hot stove begins to simmer. Baseball fans…

Top Ten Erling Haaland Cards

We pick the Top Ten Erling Haaland Cards for you. Click and make the right choice, when investing in the most promising young soccer player.

Sports Card Storage In Humid Climates

Sports card storage in humid climates can present serious challenges to collectors. Read on for the best tips for protecting your cards.

1955 Topps Baseball Set: Top Ten Cards

The 1955 Topps Baseball Set includes an incredibly deep rookie class. Click to see which is the most valuable and for tips on investing.

1958 Topps Baseball Set: Top Ten Cards

The 1958 Topps Baseball Set includes all-time greats, from Mickey Mantle to Frank Robinson. Click to see which is the most valuable.

The History Trading Cards Guide

People are bringing back history in different ways. One unique and creative way to do this is through history cards. Here at Cardlines, we are interested in all trading cards,…
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Important: When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.