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How to Sell Baseball Cards Like an Experienced Pro

By Shane Dayton |

Collecting baseball cards as a hobby or for pure pleasure is the easy part, but knowing how to sell baseball cards to make a fair profit, that’s where the hard work comes in!

Whether you were a casual collector who has outgrown the hobby, or a Gary Vee fan wondering what this side hustle was all about, there is plenty of opportunity when it comes to buying and selling baseball cards.

Baseball card collecting is a hobby with many hundreds of thousands of passionate collectors. Not to mention young children growing up to love the game of baseball.

It’s safe to say that every single day a new card collector is born.

If you’re interested in making good money selling to baseball card collectors there’s a lot you need to learn.

Whether you started in the hobby as a pure collector, a baseball fan, or just stumbled into it, there are some things you need to know if you want to succeed!

Understanding the Baseball Card Market

First of all, baseball fans are passionate. This is important to know. It is possible to make money buying and selling trading cards without following the game closely.

However, you are definitely putting yourself at a disadvantage. So if you’re not a fan, learn the basics of the pro game.

Being able to talk baseball builds a lot of trust with both buyers and sellers. Showing you understand the hobby makes it more likely that collectors are willing to trust you.

Second, even if you’re a huge baseball fan, you still have a lot to learn. The business side of baseball cards not only requires you to know about the sport, but also the hobby, the card companies, the history of individual cards, and more!

Don’t let this be intimidating. If you look at it as an exciting new area to learn about, you can do very, VERY well.

If you have that right mindset before diving in, you’ll find yourself in the beginning of an exciting new journey!

Where Can You Sell Baseball Cards?

The biggest part of learning how to make money selling baseball cards is learning the best places and times to sell different types of cards.

There are some basic rules of thumb that make a huge difference on whether you lose money, make money, or just break even as you learn how to sell baseball cards. Mastering this knowledge is critical for your success!

Once you have these down you can move to advanced strategies. Seeing what options are available to you, what opportunities.

But even understanding the basics of how card collecting works will make a huge difference.

So now you have the cards. Where should you sell them?

Sports Collectible Shops

This is one of the more obvious spots, though finding a good deal will be one of the better challenges. A card dealer isn’t there as a collector. He/she is looking to make a profit. That means it’s a very rare situation where you can get top pricing.

This can make it harder to find easy wins. But working with a card dealer has its advantages, too.

The owner of a card shop will have connections. They likely have spaces at conventions or shows you may not have access to. 

On the plus side you will be able to get cash immediately. A card dealer can offer you a price right away. This goes for individual cards, sets, or wholesale. 

However, they need to make a profit, too. That means below market prices so they have room to mark up the cards and stay profitable.

While not always the best first option, many card sellers use at least one or two dealers as part of their business strategy.

Pros:

Cons:

 eBay

You can’t underestimate the power of a good online auction site. And eBay is still the online king.

One of the amazing things about eBay is your ability to buy, sell, or flip. This is one of the few places where you can do all three!

One of the major benefits is audience reach. You can pretty much rest assured eBay has a much wider reach than you do.

That means more people who can find your listings and potentially buy your sports card!

If a bidding war starts, that can be a great thing.

On the other hand, listing fees are a thing. If you have many auctions without a sale that can cut into your bottom line.

There are multiple pros and cons to using eBay to sell your sports card collection. That said, this is a handy platform where you always have the options to sell your cards.

Pros:

Cons:

Facebook Groups (Social Media)

Social media in general can be a great place to advertise high demand cards. Facebook groups in particular have exploded surrounding the hobbies of baseball card collecting.

These are groups where collectors are looking for specific cards, open to buying new cards, and open to members selling cards.

This provides a huge opportunity! 

Keep in mind that every group is going to have its own rules, social norms, and best practices. 

You need to learn how each group does things before pushing or selling too hard. You’d hate to get banned by an Admin from a group that would have been eager to buy what you had to offer.

If nothing else being active in some of these groups could give you good opportunities or leads for buying cards.

Hopefully at a great price, so you can then resell for a profit.

Pros:

Cons:

Special Shows or Events

These fall in one group but can look very different depending on the area. Whether wrestling meets in the Midwest, a local flea market, or anywhere you can rent a table, there’s potential here.

When you have a space in a high traffic area sales can follow.

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No doubt having the ability to socialize and pitch in person helps, but it’s not necessary. Enough people with an interest will lead to some sales.

You could also put down garage sale, which might be required for commons. Or any cards of players who aren’t all-stars or future hall of famers.

Make sure the venue is one that is good for selling baseball cards.

You want the best match possible because if you’re spending several hundred dollars for a table, you want to make your money back.

Pros:

Cons:

Direct Selling to Online Hobby Shops

This is pretty simple. Some of the biggest card dealers out there have websites that give quotes online for cards or collections.

This would be on sites like Sports Collector’s Daily or Just Collect for vintage baseball cards.

Pros:

Cons:

Direct Selling to Customers Online

If you have a big enough collection, are great with websites and SEO, this could be an option. Build your own website, sell your baseball cards.

For most of us, it’s not practical.

Especially if you’re not going to make this a full-time source of income.

Pros:

Cons:

Auction or Auction House

This is almost never going to be the best option for selling your card collection. Unless you have a number of extremely valuable vintage cards.

Like a Mickey Mantle rookie card, a rare error rookie card, or the famous t26 Honus Wagner.

In other words, unless you have cards worth a minimum of four figures, this isn’t going to be the best option.

They may not even take the lot if the collection isn’t inspected, verified, and valued high enough.

Pros:

Cons:

What Makes Baseball Cards Valuable?

In a simple word: demand. While that’s a bit simplistic, it really does come down to that one word.

So what makes one baseball card high in demand while another isn’t?

These are all factors that can make a big difference. Vintage cards are much harder to find, much rarer, and harder to find in good condition.

Some years companies produced fewer “rookie decks” than other companies. This is why an Upper Deck Ken Griffey Jr. rookie card is worth way more than Fleer or Donruss rookie card.

And if you ever find an original copy of the rare Honus Wagner (pictured below), congratulations, you’re a millionaire.

honus wagner vintage baseball card

Baseball Card Grading Guide

Grading baseball cards is crucial to knowing what the actual value is. 

The order of grades from best to worst are:

Higher graded cards are worth more.

For a real deep dive into grading, check out this article.

Selling Baseball Cards FAQ

Some of your most important questions when it comes to learning how to sell baseball cards!

Are Autographs Valuable?

Yes, but from a practical standpoint ONLY if they come with certification. Without that there’s a lot of suspicion about fake and counterfeited autographs.

If a card was autographed at a game or event versus for a card seller, getting certification can still be possible. But it may be a costly process.

For very casual collectors, an autographed card of a player who isn’t an All-Star might be worth a $10 or $20 bet without certification. They’re great gifts for kids and young collectors, after all.

How many eras of baseball cards are there?

Most recognize three, although some would say four.

Generally speaking the older the card the more valuable it is likely to be.

Are Counterfeit Cards a Problem?

Generally no. Vintage cards are hard to fake and any scam generally comes to light quickly.

Your biggest concern would be making sure listings (and photos) are accurate when buying online.

The scammy switch-a-roo is unfortunately a grift that still happens when it comes with buying/selling baseball cards.

Or football cards, basketball card, any sports collectible, etc.

Making sure autographs are authentic is the other concern.

In Conclusion

Buying, collecting, and selling baseball cards is not only a great way to stay up with the sport, but also a great way to bring math, statistics, and make those subjects fun for kids who might not otherwise be so inclined. 

This is a hobby that can also be very lucrative. Once you know how to sell baseball cards for a tidy profit, it’s hard to go back! 

You might not be able to make a living being one of the elites who can swing a bat or pitch a 90 mph fastball, but that doesn’t mean you can’t make money off of professional baseball.

If you love the sport, have a safe place to store cards, and do some work to find great deals you can make really great money flipping baseball cards as a side hustle!




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By Shane Dayton

Shane has been a full-time writer since 2005. Shane has a degree in English & Creative Writing from Coe College (2002) and an MFA in Creative Writing (Fiction Emphasis) from the University of Alaska Fairbanks (2007).

Shane spent years using his online writing skills to earn a living online and live the life of a digital nomad. After learning about affiliate marketing and SEO he has since created several niche sites to further increase his business income.

Want to learn step-by-step how I built my Niche Site Empire up to a full-time income?

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