When you use your Mac with metered internet connections such as a personal hotspot or limited hotel wifi, you should restrict ...

You might have considered international roaming or free WiFi hotspots as your go ... For instance, for me personally - my data plan and hotspot on my phone with T-Mobile is good for most stuff.

This is not to be confused with a hotspot, which can be picked up in public places like hotels, malls, and coffee shops, where buildings or businesses have private networks that offer free Wi-Fi.