Self-hosting your VPN is the only way to guarantee that no third party can access, monitor, or log your traffic. When you use a commercial VPN service, you transfer your trust from your ISP to the VPN provider - you are still trusting someone else not to abuse their position. Self-hosting eliminates this trust requirement entirely because you are the only person with access to your VPN server.
A self-hosted VPN also gives you complete technical flexibility. Install any VPN protocol - WireGuard, OpenVPN, IKEv2, Shadowsocks, or anything else. Configure custom routing rules, run your own DNS resolver, implement network-level ad blocking, and integrate your VPN with other self-hosted services. Commercial VPN apps are limited to what the provider has implemented; a self-hosted VPN can do anything.
The self-hosted approach is also more cost-effective in the long run. A single server can provide VPN access for your entire family or team, functioning as a private VPN, DNS filter, and privacy gateway all at once. The per-user cost decreases with each additional device you connect, making self-hosting the most economical choice for multi-device households and small organizations.