Selling your baseball card collection can be a good way to make some extra money, but it’s important to do your research first and take the right steps to get top dollar for your cards. The baseball card market varies over time based on the economy, popularity of the sport, and demand for certain players and sets.

First, you’ll want to carefully inventory your card collection to see what you have. Carefully remove each card from its protective sleeve or toploader and sort them by year, sport, league, team, player, and condition. Note valuable rookie cards, Hall of Famers, rare sets, and cards graded by authentication companies like PSA, BGS, or SGC. Taking a photo of each valuable card’s front and back is also a good idea for listing purposes later on.

Once inventoried, do some research on recent sales of comparable cards on platforms like eBay to get a sense of current market values. Check the most up-to-date Baseball Card Price Guide from companies like Beckett, Mico, or Cardboard Connection. Notice trends for certain years – for example, cards from the 1990s typically sell for more now than ones from the 2000s. Take note of condition, as it’s vital to value – a Near Mint card can be worth 10x a badly worn one.

Now it’s time to decide the best outlet to sell your cards. Your top options are online platforms like eBay, specialty auction sites like Heritage Auctions, direct sale to a local card shop, or consignment to an online dealer. Each has pros and cons:

eBay allows you to reach the largest potential audience but charges insertion and final value fees. You’ll need good photos and description to compete against other sellers.

Specialty auction sites mainly sell very high-end cards over $500 but take a percentage commission and require minimum reserves not met.

Local card shops buy in bulk but often pay just a percentage (30-50%) of market value since they need to make a profit reselling.

Online dealers like SportsCollectors.net and BlowoutCards.com specialize in consignment where they sell on your behalf, taking a commission (10-20%) only if the card sells versus a guaranteed price from a shop.

Whichever you choose, be sure to carefully package cards in rigid toploaders or card savers with ample packing to prevent damage in transit. For valuable vintage cards, consider having them professionally graded first – a PSA/BGS 10 card can sell for 5x or more than an ungraded one.

When taking photos, use a gray backdrop and well-lit surface at eye level. Include clear, straight-on shots of the front and back along with any identifying codes. Provide a detailed description mentioning all relevant identifiers, condition, and comparable past sale prices to attract potential buyers.

Set competitive but fair starting bids or buy-it-now prices based on your market research. Ship cards promptly once sold using a tracking method for proof of delivery. Communicate frequently with buyers and provide excellent customer service to build positive feedback.

With patience and careful preparation, you can maximize the return on your childhood baseball card collection. Taking the time to properly organize, research values, choose the right selling platform, and present your cards professionally gives you the best shot at earning top dollar for those dusty cardboard treasures sitting in the attic or closet.