7 min 3 sec

High School Junior Earns $10,000 Selling Autographed Baseballs

A Maryland high-school student parlays his love of baseball into a lucrative sports memorabilia side hustle.
Kid Hustles Reselling Sports Unique Ideas

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What It's About

A resourceful high school junior earns $10,000 within a few months of launching his baseball memorabilia reselling hustle.

Business Model
Skills Required
Baseball Knowledge & Business Savvy
Profit Potential

Words of Wisdom

Tim advises deep research for anyone interested in playing in the memorabilia big leagues. Get to know the players while they are in the minors, and make sure they play for a big-market team, like the Yankees or the Red Sox. He suggests buying only in small numbers of goods for prospects at first, and lower risks by investing in a variety of players, rather than putting big dough behind one big bat.

Fun Fact

During World War II, the U.S. military designed a grenade to be the size and weight of a baseball, since "any young American man should be able to properly throw it." Also, every single MLB baseball is rubbed in Lena Blackburne Baseball Rubbing Mud, a unique "very fine" mud only found in a secret location near Palmyra, New Jersey.

Notes from Chris

Episode 212
A lifelong baseball fan and current high-school student, Tim Haren had been gathering autographs for more than 10 years, always keeping the balls and other items he obtained for his personal collection. But a couple of years ago, he realized that what was an expensive hobby could turn into a side business. He started going to nearby Camden Yards (the stadium where the Baltimore Orioles play all their major-league home games) as often as possible to build up his collection.

Baltimoregraphs, his memorabilia side hustle, came from this new hobby. He buys major-league issue balls in bulk for around $12 each, gets them signed at games, and then sells them and other baseball items on his eBay page and on Instagram. Because he has a sharp eye for player potentials, besides getting balls signed himself, he buys the signed balls of top prospects on the cheap from other less savvy collectors, and later rakes in the cash when the players make good in the majors.

Tim regards what he does as akin to a player’s stock market. In essence, he’s betting on a player’s potential, and many of those potentials’ “share prices” have gone over the fences.

In his first few months of business, he’s made $20,000 in sales, and after subtracting his product costs for goods and shipping, he’s made $10,000 in profit.


  • Baltimoregraphs: Have an affinity for the USA's most beloved past-time? Check out some of Tim's wares on his Ebay & Instagram pages!

Inspiration is good; inspiration combined with action is better. Now get back to work!

Yours in the revolution,


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Quote of the Day
"I started off keeping everything I got, but then realized it was an expensive hobby and I had to self-sustain. I realized that these players I was watching as prospects were turning into the games’ next stars. Then I switched to buying the young-star prospects for cheap and selling them when they came to the majors."
—Tim Haren #SideHustleSchool

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Chris Guillebeau