Self-Hosted Backup Strategy for Homelab 2026: The Complete 3-2-1 Guide with Restic, Kopia & Duplicati
Build a bulletproof homelab backup strategy in 2026. Learn the 3-2-1 rule, compare Restic vs Kopia vs Duplicati with a full decision matrix, and deploy automated Docker Compose backups to NAS, S3, and offsite storage. Includes Proxmox Backup Server setup, disaster recovery scenarios, and cost stacks from $0 to $50/month.