Local card shops are often the best place to buy baseball cards if you want to browse a large selection in person. Most major metropolitan areas will have one or more dedicated card shops that focus on trading cards of all types, including baseball cards. These shops will have the widest range of new and vintage baseball cards for sale. Some of the advantages of card shops include:

Huge inventory of cards both new and older/vintage issues. Card shops aim to have a deep stock of cards from many different years to appeal to collectors of all eras. You’ll find everything from the latest 2021 sets to cards from the 1980s, 90s, and earlier.

Knowledgeable staff. Good card shop employees are passionate about cards and can offer advice on sets, players, and trade suggestions. They know the inventory well and can help you find specific cards you might be looking for.

Opportunities to trade or sell. Most card shops encourage trading as a way for collectors to swap duplicates and find cards they need for their collections. You can also often sell cards to the shop if needed.

Special events and product releases. Many shops will host launches for new set releases and offer special promotions. You may find opportunities to meet visiting players or experts at larger stores.

Competitive prices. With large overhead costs, card shops need to be competitive on pricing to draw customers. While they can’t always match online retailers, you’ll usually find fair deals in-store.

Some potential downsides are limited hours (many shops keep shorter hours than big box retailers), and generally higher single card prices than mass market sellers since overhead is higher. Be sure to call ahead or check websites for store hours.

If a card shop isn’t convenient, major retailers with toy and game departments can also have good baseball card selections. Chains like Target, Walmart, or hobby stores like Michaels and Jo-Ann Fabrics often carry at least the latest card sets as well as some repack boxes and discounted leftover stock from prior seasons. While selections won’t be as large as a pro card shop, these retailers offer the advantage of expansive hours and convenient locations near many suburban areas. Product may sell out quickly for hot new releases though.

Online selling platforms have also become very important sources for baseball cards. Sites like eBay allow collectors globally to find virtually any card available. Just be aware of additional shipping costs and need to carefully check seller reviews/histories. Amazon also carries new cards and has a large vintage/reseller base for older issues. Checking completed listings helps determine fair prices. Reddit communities can also set up trading networks between collectors.

While local card shops provide the best in-person browsing experience, a combination of online sellers, mass retailers, and communicating with other enthusiasts expands accessibility of this great hobby. Most collectors regularly tap multiple sources to build their collections affordably in today’s marketplace. The key is finding a good balance of budget, selection and immediacy to suit your needs.