TL;DR


What we built: A fully automated Binance Level 2 order book streaming system on AWS Free Tier
Cost: Uses AWS credits (~$15/month worth) for 260K+ snapshots/day across BTC, ETH, SOL
Team: 6 WorldQuant University students with IAM-managed access
Tech stack: EC2 (t3.micro) + Python + S3 + CloudWatch + Systemd
Dataset size: ~100-130 GB...