Tracked my LEGO portfolio for 24 weeks — 29.56% ROI on $6,893 invested. Here's what the data actually looks like

Been investing in LEGO seriously for about 6 months and finally have enough data to share something interesting. Current snapshot: Cost basis: $6,893 Current value (after FBA fees): $9,030 Unrealized gain: $2,136 Average ROI across 36 sets / 140 units: 29.56% The jump you see in mid-January is when a few sets I'd been holding retired and prices moved fast. Almost missed the sell window because I wasn't watching closely enough. That honestly frustrated me enough that I built a tool to track...