Running a VPN at home is one of the easiest homelab upgrades.
If you have a static IP, setting up WireGuard or OpenVPN on an iPhone is straightforward. Create a client profile, import it into the app, and turn it on when you are away.
Your phone then connects through your home network. That lets you SSH into a home server or open a website restricted to your home IP without making it public.
WireGuard is what I would use today, but OpenVPN works fine too. Either one gives you simple, private access back home.