Travel with email
I'd like to suggest you create a way to change my location (i.e. Going on holiday, travelling, seeing friends and family etc) without being instantly blocked across all accounts. It is wasting my life right now and I only have one!
Rob Jones commented
When travelling please remove authentication code to mobile & get rid of account locked for a month! It only makes our life's difficult & lose you users.
Fix your system as it's utter garbage