10 Common Buylist Mistakes (and How to Avoid Them)

Introduction

A buylist can be one of the most effective ways to acquire inventory, but it also introduces operational challenges. Poor pricing, aggressive buying without strategy, or slow processing can frustrate customers and tie up cash.

Whether you're launching your first buylist or improving an existing one, these are some of the most common pitfalls stores run into.

1. Prioritizing Breadth Over Depth

It's tempting to launch a buylist for every major product line from day one. But every TCG has its own quirks that take time to learn.

Instead of trying to support Pokemon, Magic, Lorcana, One Piece, Yu-Gi-Oh!, Riftbound, and more all at once, focus on building deep inventory and efficient workflows in one or two product lines first. Once your team has established consistent pricing and submission review processes, expanding becomes much easier.

Trying to do too much too soon often leads to:

Buying products you don't fully understand, resulting in poor purchasing decisions.
Spreading your buying budget too thin, making it harder to acquire high-demand cards and collections.
Less competitive buy offers, making it easier for customers to sell to another store instead.
Expecting staff to master too many product lines, increasing the likelihood of mistakes when evaluating submissions.
Setting expectations you can't sustain. Removing a low-volume buylist is much harder than adding one when demand grows.

Depth creates destination shopping. When customers know your store consistently carries the cards they're looking for, they're far more likely to return. Once you've built that reputation in one or two product lines, expanding into additional games becomes much easier.

2. Buying everything

Just because a card has value doesn't mean it's the best use of your buying budget.

Every purchase should contribute to your ideal inventory blueprint. A healthy inventory balances products that sell quickly, collector favorites that customers actively seek out, premium showcase pieces that build credibility, and enough available capital to take advantage of unexpected buying opportunities.

The right mix will vary from store to store, but it should always be intentional. Without a strategy, it's easy to tie up too much capital in slow-moving inventory while missing opportunities to acquire the products your customers actually want.

A buylist shouldn't simply reflect whatever customers happen to bring in. It should intentionally build the inventory your store wants to be known for.

3. Letting prices go stale

Card prices can change quickly, and a buylist that isn't updated regularly can leave a store overpaying for falling cards or underpaying for cards customers know are rising.

Some of the biggest price movements are caused by:

New releases that introduce stronger cards, new strategies, or additional supply.
Tournament results and metagame shifts that increase demand for competitive staples.
Ban and restricted list updates that can sharply raise or reduce a card's usefulness.
Reprints that increase supply and put downward pressure on existing printings.
Rotation and format changes that affect where cards can be played.
Collector trends and major announcements that renew interest in certain characters, sets, or older cards.

Not every movement has the same cause. Competitive cards often rise because players suddenly need them, while collector cards may move because of nostalgia, scarcity, or renewed attention. Understanding the difference can help stores decide whether a change is likely to last or is only a temporary spike.

Manually tracking thousands of products is difficult, especially across multiple games. Whether prices are reviewed manually or updated through software, stores need a consistent process for identifying meaningful market changes and adjusting their offers before stale prices become expensive mistakes.

4. Offering too little on everything

It can be tempting to lower every buy price in an effort to maximize profit. After all, paying less for inventory should improve margins.

In practice, the opposite often happens.

Customers rarely sell based on a single card. They're comparing your entire buylist against other stores. If your offers are consistently lower across the board, they'll likely sell their entire collection somewhere else. Saving a few dollars per card doesn't matter if you lose the transaction entirely.

Competitive pricing doesn't mean paying the most on every product. It means identifying the cards and categories that matter most to your customers while maintaining healthy margins across the rest of your inventory.

Over time, consistently fair offers also build trust. Sellers who have a positive experience are much more likely to return with future collections, recommend your store to others, and choose the convenience of selling locally instead of shopping around for every transaction.

The goal isn't to maximize profit on every purchase. It's to acquire the right inventory while building long-term relationships with the customers who bring it to you.

5. Ignoring inventory data

Not every card deserves the same buy price.

Many stores start with a single multiplier across their entire buylist, but inventory levels should influence what you're willing to pay. A card that's constantly selling out is usually worth paying more for than one that's been sitting in your inventory for months.

Factors that often justify adjusting your buy offers include:

Overstocked inventory that doesn't need additional copies.
Low inventory on cards customers frequently ask for.
Fast-selling products that consistently turn over.
Competitive staples that are always in demand.

The goal isn't to make every card cheaper or more expensive. It's to allocate your buying budget where it will have the greatest impact. Paying a little more for inventory you know will sell often leads to better results than spending the same amount on cards you already have plenty of.

6. Not having quantity limits

Just because you're willing to buy a card doesn't mean you should buy an unlimited number of copies.

Without quantity limits, a single large submission can leave you with far more inventory than you can realistically sell. Buying 150 copies of a bulk rare because someone walked in might seem harmless at the moment, but tying up cash in slow-moving inventory can prevent you from purchasing cards your customers actually want.

Quantity limits help manage this risk. High-demand staples may justify higher limits or no limits at all, while slower-moving cards should be capped based on expected demand and your current inventory.

There's no universal rule for setting limits. The right number depends on the card, your customer base, and how quickly you expect it to sell. The important thing is to have a strategy instead of buying unlimited quantities by default.

7. Inconsistent grading

Every employee should evaluate card condition the same way. If one employee grades a card as Near Mint while another calls the same card Lightly Played, customers quickly lose confidence in the buying process.

To avoid this, document a clear grading standard that every employee can reference. Without one, even small moments of hesitation or asking coworkers for a second opinion add up quickly when your team is processing dozens of submissions each day (keep in mind that some customers submit more than a hundred cards).

Consistency also builds trust. Customers may not always agree with your assessment, but they're much more likely to accept it if they know every submission is evaluated using the same standards.

If you're creating your grading guidelines from scratch, TCGplayer's conditioning standards are an excellent starting point:

As your team gains experience, consider building an internal reference with real examples from your own submissions. Photos of cards your staff has debated, along with the final condition assigned, can become one of the most valuable training resources for maintaining consistency over time.

8. Slow Submission Processing

Once a customer submits their cards, the clock starts ticking.

Long turnaround times, unclear expectations, and a lack of communication can quickly turn a positive selling experience into a frustrating one. Even if your prices are competitive, customers are less likely to return if they don't know when they'll hear back or what happens next.

Improving processing speed isn't just about working faster. It's about creating a predictable experience through efficient staff workflows, realistic turnaround times, and proactive communication throughout the submission process.

Simple updates like confirming that a submission has been received, notifying customers when it's being reviewed, or explaining unexpected delays go a long way toward building trust.

Customers don't expect every submission to be completed immediately. They do expect transparency. Stores that consistently process submissions on time and communicate clearly are much more likely to earn repeat business, even in competitive markets.

9. Making It Too Hard to Sell to You

The easier it is to sell to your store, the more submissions you'll receive.

If customers have to write out every card by hand, email spreadsheets, or spend long periods waiting in line, many simply won't bother. Others will choose a competitor with a faster, more convenient process.

Look for opportunities to reduce friction wherever possible. Online buylists, searchable catalogs, barcode scanners, appointment scheduling, and self-service kiosks can all make the process faster for both customers and staff.

Convenience isn't just about saving time. It removes barriers that prevent customers from selling in the first place. The simpler you make the process, the more likely customers are to complete their submission and come back the next time they have cards to sell.

10. Treating a buylist like a pricing spreadsheet

It's easy to think of a buylist as nothing more than a spreadsheet of products and prices. In reality, it's one of the most powerful tools a store has for shaping its business.

A well-managed buylist helps you:

Acquire the inventory your customers actually want.
Source collections from your local community instead of competing for inventory online.
Build long-term relationships with repeat sellers.
Manage cash flow by deciding where your buying budget has the greatest impact.

The stores with the strongest buylists don't simply ask, "What should we pay for this card?" They ask, "What inventory are we trying to build, and how does this purchase help us get there?"

A buylist isn't just a way to buy cards. It's a strategy for growing your inventory, strengthening customer relationships, and creating a healthier business over the long term.

Build a Better Buylist

Many of these mistakes become easier to avoid when your buylist software helps automate pricing, enforce quantity limits, and keep offers up to date.

See how Storepass helps TCG stores manage their buylists.

→ Explore Storepass Buylist Software