How to Sell on BrickLink: The Complete Seller's Guide

Category: Guides

By BrickBucks Team

11 min read

BrickLink is the world's largest LEGO marketplace with over 10,000 active sellers across 70 countries. Here's everything you need to know to start selling — from store setup and pricing strategy to shipping and building your reputation.

Why BrickLink Is the Best Place to Sell LEGO

If you have LEGO sets, minifigures, or loose bricks sitting around collecting dust, there's a marketplace built specifically to help you turn them into cash. BrickLink is the largest online marketplace dedicated exclusively to LEGO products. Founded in 2000 by Dan Jezek — a programmer and Adult Fan of LEGO — the platform started under the name "BrickBay" before eBay forced a name change in 2002. The LEGO Group acquired BrickLink in November 2019, and today it serves over one million registered members across 70 countries.

Unlike general marketplaces where LEGO is just one of thousands of categories, BrickLink was designed from the ground up for LEGO enthusiasts. Every buyer on the platform is there specifically looking for LEGO products. That focused audience means less competition from unrelated listings, higher conversion rates, and buyers who actually understand what they're looking at.

The platform's catalog contains over 127,000 unique items — from individual bricks and rare minifigures to complete sealed sets and vintage instructions. Whether you're clearing out your childhood collection or running a serious resale operation, BrickLink gives you the tools and the audience to do it effectively.

BrickLink vs. eBay: Why the Fees Make a Massive Difference

One of the biggest advantages of selling on BrickLink over general marketplaces is the cost. The fee difference between BrickLink and eBay isn't marginal — it's dramatic. Here's how the numbers break down on a typical LEGO sale:

On a $100 sale, you keep roughly $7–8 more on BrickLink. That adds up fast — especially if you're moving volume. BrickLink charges approximately 3% on the item subtotal only (not including shipping), there are zero listing fees regardless of how many items you list, and there's no monthly store subscription. eBay's final value fee of approximately 13.6% is calculated on the total sale amount including shipping, plus a per-order fee. eBay does include payment processing in that fee, but even accounting for the separate Stripe or PayPal charges on BrickLink, the total cost is still roughly half of what you'd pay on eBay.

The other major advantage? BrickLink buyers are LEGO-specific. On eBay you're competing for attention alongside millions of non-LEGO listings. On BrickLink, every single visitor is there to buy or sell LEGO.

Setting Up Your BrickLink Store

Getting started as a seller on BrickLink is straightforward. First, create a regular BrickLink account if you don't already have one. Then click "Become a Seller" and complete the seller upgrade process. New sellers receive a green firefighter helmet icon next to their username for their first 30 days, which lets buyers know you're new to the platform.

Once upgraded, you'll configure your store with a few key settings:

• Store Name — Up to 26 characters. Note that you cannot include the word "LEGO" in your store name (it's a trademarked term and BrickLink enforces this).
• Store Logo — A 72x72 pixel image in JPG or PNG format. Keep it clean and recognizable.
• Store Terms — This is where you outline your order processing time, payment expectations, shipping options, and any additional policies. Buyers read these, so be thorough and clear.
• Minimum Buy Amount — You can set a minimum order threshold so you're not packing and shipping orders worth less than the postage.
• Payment Setup — You'll connect either PayPal or Stripe (or both) for onsite payment processing. BrickLink supports Instant Checkout, which requires buyers to pay immediately at checkout, or you can choose to send invoices manually.

Take the time to fill out your store terms completely. Buyers use store terms to evaluate sellers, especially when making their first purchase from a new store. Clear terms build trust before a single brick changes hands.

What Can You Sell on BrickLink?

BrickLink's catalog covers essentially everything LEGO has ever produced, organized into several item types:

• Sets — Complete sets, either sealed (new in box) or used. Sealed sets command premium prices, but used complete sets sell well too.
• Parts — Individual bricks, plates, slopes, tiles, Technic beams — virtually any single piece from any set ever made.
• Minifigures — Complete minifigures or individual minifigure parts (heads, torsos, legs, accessories). Rare minifigures are some of the highest-margin items on the platform.
• Instructions — Building instructions from any set. Surprisingly popular with sellers who part out sets and have instructions left over.
• Empty Boxes — Original set boxes, often sought by collectors who want to complete their display.
• Books, Catalogs & Gear — LEGO-branded books, annual catalogs, keychains, clothing, and other merchandise.

The breadth of the catalog is one of BrickLink's defining strengths. No other marketplace catalogues LEGO products down to the individual piece level with the same level of precision and community curation.

Pricing Your Inventory the Right Way

Every item on BrickLink has a Price Guide — and using it well is the difference between items that sell and items that sit. The Price Guide shows two critical data sets for every item in both "New" and "Used" conditions:

• Current Items for Sale — What active sellers are listing the item for right now, including the minimum, maximum, and average listing price across all stores.
• 6-Month Sales Average — Actual completed transaction data over the past six months, showing what buyers actually paid (not just what sellers asked for).

As a general strategy, price your items near or slightly below the current average for sale price if you want them to move. If you're not in a rush, pricing at the average is fine — buyers compare prices across stores and will find you. Pricing significantly above average is usually a losing strategy unless you have a very rare variant or exceptional condition.

BrickLink also supports tiered pricing for volume discounts. If you're selling common parts in bulk, setting up quantity breaks (e.g., 10% off when buying 50+) encourages larger orders and saves you the hassle of packing multiple small shipments.

A useful private feature is the "My Cost" field on each lot. This lets you track what you paid for each item so you can calculate your actual profit margin. Use it religiously — it's easy to lose track of margins when you're listing hundreds of items.

Managing Your Inventory Efficiently

BrickLink offers several methods for adding and managing inventory, ranging from manual single-item entry to powerful bulk tools:

• Individual Item Addition — Search the catalog, select the item, set condition, quantity, price, and description. Good for one-off listings.
• Mass Inventory Upload — Upload a CSV or XML file to add hundreds or thousands of items at once. Essential for serious sellers.
• Part Out a Set — This is one of BrickLink's most powerful features. Select any set number, and BrickLink automatically adds every individual piece from that set's known inventory to your store. This is how most part-out sellers manage their inventory — it takes a process that would otherwise require hours of manual entry and reduces it to a few clicks.

Several inventory management features are worth knowing about:

• Stockroom — Items placed in the stockroom are hidden from buyers. Use this for items you haven't photographed or priced yet, or for holding back inventory strategically.
• Consolidating Lots — If you have the same item listed across multiple lots (say from parting out two copies of the same set), you can merge them into a single lot for cleaner store presentation.
• Super Lots — Group related items together for sale as a bundle (like all the minifigures from a theme).
• My Remarks — Private notes on each lot only you can see. Great for noting where items are stored physically.

Shipping: Getting It Right

Shipping is where a lot of new sellers either lose money or lose customers. Getting it right matters more than most people think.

Start by setting up your store's shipping methods and rates clearly. BrickLink supports Instant Checkout with automated shipping cost calculation based on item dimensions and weight data from the catalog. If you enable this, make sure the calculated rates are actually realistic — undercharging on shipping eats into your profit, while overcharging drives buyers to other stores.

Some practical shipping tips:

• Use appropriate packaging. LEGO is heavy for its size. Small bubble mailers work for minifigures and small parts orders. Use rigid boxes with padding for sets and large orders.
• Bag and label everything. Individual ziplock bags for different lots within the same order keep things organized and reduce disputes.
• International is worth it. BrickLink operates across 70 countries. Offering international shipping opens your store to a much larger buyer pool. Just factor in customs declarations and any additional postage costs.
• Process quickly. State your processing time in your store terms and hit it consistently. Buyers notice. Fast shipping earns you positive feedback, which drives more sales.

If you're selling parts in quantity, weigh your orders on a kitchen scale before quoting shipping. The difference between 4 oz and 5 oz can change your postage class and cost significantly.

Building Your Reputation With the Feedback System

BrickLink's feedback system uses a color-coded brick icon that progresses as you accumulate positive feedback. Here's how the rating tiers work:

Those colored bricks aren't just cosmetic. Buyers actively use them to gauge a seller's reliability. A green brick (100+ feedback) is generally where buyers start to feel confident purchasing from you without hesitation. Getting to that level means doing about 100 transactions with positive outcomes — so early on, focus on smaller, lower-risk sales to build up your feedback count.

A few things that consistently earn positive feedback:

• Accurate item descriptions and condition ratings
• Prompt communication and fast invoice sending
• Careful packing with items properly separated
• Shipping within your stated processing time
• Including a simple thank-you note (optional, but buyers remember it)

Submitting an order on BrickLink creates a legally binding contract. Sellers cannot cancel orders just to avoid fees or because they found a better offer elsewhere. Taking orders seriously from day one builds the kind of reputation that sustains a store long-term.

Part-Out Selling: Where the Real Money Is

One of BrickLink's most unique and profitable strategies is "parting out" sets — disassembling a complete set and selling the individual pieces, minifigures, and instructions separately. The combined value of a set's individual parts frequently exceeds what you'd get selling the same set as a whole. This is called the "partout premium."

BrickLink makes this easy with the built-in "Part Out a Set" feature. Enter the set number, and the platform automatically populates your store inventory with every known piece in that set, using the official catalog inventory. From there, you just set your prices (the Price Guide for each part is right there) and you're live.

Part-out selling works especially well with:

• Retired sets — Individual parts from discontinued sets become harder to find over time, driving up individual piece values.
• Minifigure-heavy sets — Sets with exclusive or highly sought-after minifigures often have individual minifigure values that alone exceed the set's original retail price.
• Large Technic or Creator Expert sets — These contain specialized parts that builders and MOC (My Own Creation) designers actively seek out.
• Damaged-box sets — If the box is damaged but the contents are fine, parting out avoids the "damaged box" discount you'd have to offer selling it as a complete set.

The key to part-out profitability is knowing which sets have favorable partout ratios before you buy them. Compare the total partout value (sum of all individual parts at current market prices) against the set's purchase price. A partout ratio above 1.5x generally means good profit potential.

Common Mistakes New Sellers Make

After reviewing thousands of seller experiences across the BrickLink community, these come up repeatedly:

• Not using the Price Guide. Pricing by gut feeling instead of data is the fastest way to either leave money on the table or have inventory that never sells. Always check the 6-month average before setting a price.
• Poor item descriptions. "Used" doesn't tell the buyer much. Be specific — note any discoloration, scratches, bite marks, missing stickers, or other condition details. Specificity prevents disputes.
• Underestimating shipping costs. Charging too little for shipping comes directly out of your profit. Weigh your packages and use real postal rates, not rough guesses.
• Ignoring store terms. Leaving your store terms blank signals to buyers that you don't take selling seriously. Fill them out with your processing time, payment expectations, and return policy.
• Slow communication. BrickLink buyers expect reasonably prompt responses. If someone asks a question about an item, try to respond within 24 hours. Silence makes buyers nervous and drives them to other stores.
• Not tracking costs. Use the "My Cost" field on every lot. Without it, you have no idea whether your $8 sale on a part you paid $6 for actually made money after fees and shipping.

Getting Started: Your First Steps

If you're ready to start selling, here's a practical action plan:

1. Create your BrickLink account and complete the seller upgrade
2. Set up your store name, logo, and terms — even if you only have a few items to start
3. Connect PayPal or Stripe for onsite payment
4. List 20–50 items to start — either individual parts, minifigures, or small sets
5. Price everything using the Price Guide's 6-month average as your benchmark
6. Process your first orders carefully, ship promptly, and leave feedback for your buyers
7. Gradually build inventory and explore part-out selling as you get comfortable with the platform

BrickLink has over 10,000 active sellers — but don't let that intimidate you. The marketplace is massive enough to absorb new sellers, and the buyer base of over one million registered members means there's demand for virtually everything LEGO has produced. The key is starting small, being accurate, and delivering consistently.

Now that you know how to sell, the next step is knowing what to buy. Read our 5-Step Gameplan — a free guide covering exactly how to find, source, and profit from LEGO sets.