This is working - i did it with my bankalt and worked also with the bankalts of my friends.
Don't correct me or ask for the reason, i just wanted to share the infomation with the people that use the AH quite often.
You need to reach Level 5 with your bankalt.
Pick up Engineer with him.
Get a Portal to the Shrine by a Mage.
Reach Mail, Guildbank, Vendor and AH without moving.
Save Time - Save Gold.