Verkaufen auf Cardmarket, meine 5 größten Fehler!

Summary

Patrick shares five lessons from building a Cardmarket trading business since 2015, based on nearly 30,000 sales by 2024. His main advice is to automate repetitive work, avoid speculative buying, manage inventory prices actively, source cards without taking unnecessary risks, and account for the true cost of selling low-value singles.

Five Lessons and Practical Playbooks

1. Replace handwritten addresses with printed labels

Handwriting labels for as many as 100 orders in a day led to wasted time, strain, and returned mail. Patrick recommends using a label printer connected to Deutsche Post to print addresses and postage QR codes on self-adhesive labels. He says this lets him handle roughly 30–40 orders per hour.

2. Don’t blindly buy cards after a price spike

A card rising from a few cents to €10 may not keep increasing in value. Increased supply, existing collections, and seller listings can all affect the market.

Before buying, investigate why the price moved and which format or deck is driving demand. Consider related, still-affordable cards that might benefit from a competitive result rather than chasing the headline card. Include shipping and the cost of buying from multiple sellers in your calculations; if the total makes the purchase uneconomic, pass.

3. Treat rapid sell-through as a market signal

If many copies of a card sell quickly—especially when dealers are buying in volume—it may be underpriced or part of a rising trend.

Rather than listing all your stock at one price, spread out your listings. For example, list eight copies at the current price, another eight at a higher price, and hold the rest while monitoring demand. Use Cardmarket’s copy limits and adjust listings as conditions change. A sudden ban-list announcement or other market catalyst may be a reason to pause or limit listings instead of selling all your inventory immediately.

4. Don’t rely on opening sealed product to build inventory

Buying expensive displays and hoping to pull valuable cards usually fails to recover the purchase cost. Patrick suggests two alternatives:

• Buy cards directly. Be transparent that you may offer around 60–70% of market value because you take on price, handling, and shipping risks. Patrick notes that vendors may offer around 50%.
• Sell on consignment. Sell cards for people in your playgroup, track who owns each card, and agree on a commission. Patrick gives 10–30% as an example. Consignment can expand your inventory without requiring upfront spending, but it depends on trust and clear records.

5. Set a minimum price that covers handling costs

Patrick says his operation found that selling a card for less than €0.50 was not profitable after processing costs. Listing dozens of very cheap singles can generate little revenue while creating substantial picking and packing work.

Consider setting a higher minimum, such as €0.75 or €0.99, and focus on useful selections or playsets that buyers can bundle to save on shipping. Patrick says he still sells 10–40 cards a day at €0.99, including cards whose market value may be only €0.25–€0.30. Buyers may be willing to pay for convenience and availability.

Metrics and Figures Cited

• Started selling on Cardmarket: 2015
• Sales by 2024: nearly 30,000
• Handwritten-order workload: up to 100 orders in a day
• Label-printing throughput: around 30–40 orders per hour
• Suggested direct-buy offer: 60–70% of card value
• Example consignment commission: 10–30%
• Claimed unprofitable selling threshold: below €0.50 per card
• Example listing prices: €0.75 or €0.99
• Example sales volume at €0.99: 10–40 cards per day

Presenter and Credits

The presenter is Patrick (Patrick von OZ; his name is rendered inconsistently in the auto-generated subtitles). The video credits Sarah, Nicolas, and Timm for collaboration.