You can use these techniques, including a VPN and alternative methods, to quickly and easily change your IP address.
There are plenty of Home Assistant integrations that don't require an IP address and will work perfectly fine with a dynamic IP. However, there are some integrations that do make use of the IP address ...
WiFi Protected Setup (WPS) allows devices to connect more easily, but it also opens your network to vulnerabilities. Disable WPS in your router settings unless you’re actively pairing a new device.