Author
Jeff Mack
Founder, BrickPicker
Jeff has been tracking the LEGO secondary market since 2011 and co-authored two published BrickPicker price guides. He started BrickPicker to give LEGO collectors and resellers the same caliber of data and tools that any other asset class takes for granted. The new platform is the third major iteration of that mission.
Posts by Jeff Mack (8)
Introducing BrickScore: Every Trusted LEGO Review, Finally in One Place
120,000+ reviews and ratings, 25 trusted expert sources, and one honest 0-100 score per set. Meet BrickScore, the LEGO review consensus, free for everyone.
Introducing BrickPulse: LEGO Prediction Markets for the BrickPicker Community
BrickPulse is live. Forecast LEGO retirements, sellouts, and price thresholds with BrickPoints, and watch the community's consensus form in real time.
BrickPicker Rebuilt: A Better Home for Our Community
We rebuilt our community natively, baked right into BrickPicker — LEGO-aware set cards, a live Daily Deals Hub, real-time notifications, and your full forum history preserved.
Brickfolio: the heart of BrickPicker
Brickfolio is where everything else on BrickPicker hooks back to: live valuation, real cost basis, insurance certificates, a sales ledger, an API. The tour, end to end.
The Power of BrickWatcher: LEGO Investment Alerts That Actually Work
A beginner-friendly tour of BrickWatcher, the LEGO investment alerts engine inside BrickPicker — deal alerts, restock alerts, retirement notifications, and aftermarket moves.
BrickPicker, Rebuilt
The honest story behind the rebuild: how the mechanics of LEGO investing structurally fractured over a decade, and why that forced us to build an entirely new engine from the floor up.
LEGO and the 2026 tariffs: what actually changed (and what to do)
The Supreme Court ruled IEEPA tariffs unlawful on February 20, 2026. Section 122 took over until July 24. Here is what each kind of LEGO buyer should actually do — from someone who has been running this community since 2011.
Amazon LEGO Report: What LEGO are Vendors Selling?
Reading some of the threads on the forum, members sometimes bring up the amount of vendors that are selling a particular LEGO item.