It is proper Netiquette to plan to use your mobile connection. Do think about the most efficient use of data.
Data Netiquette For Mobile
Planning the use of your mobile devices online activities enhances the experience because preparation makes you more productive.
Mobile Data Netiquette
Think about what you are going to do online before you do it. We know what we can and cannot do. Thinking about our actions before we take them makes for smoother conduct. It is cool. Writing a list always helps.
Think about use beforehand because it makes it more productive.
To mobile rules.