Originally Posted by OrKo
I can't really answer my phone while I'm working anyway, if its important enough peeps can reach me through the work line, so I don't sweat it. I've had one charge last me a 12hr shift using that method, and left work with around 39% charge. Other than at work I never really use my phone enough while I'm out, only other time I see battery life being a problem is if I leave the house without a good charge (meaning 80%+). Maybe I don't use my phone as much as others..
That is one case , and that only works for you in your case, other people might need their phone so is good that you can make it work, but you are crippling the phone itself, by disabling the network, might as well don't have one connected and just run it on wifi only.