Bonding two ISPs was previously too complex for most home use until agentic AI. Claude can automate the entire WireGuard/OpenWRT/VPN setup, testing, and security hardening via SSH as an afternoon project. Total cost: $305 over 3 years vs $1,241 for commercial solutions. Downgrade your current ISP and add a second cheap one to get faster more reliable internet at home.

To save money, I would have just switched to ATT fiber like you did, drop Xfinity completely, and try that for awhile. It's worked for me for years, and my only downtime has been a few times during winter storms when the power goes out completely.