Bevel not working corectly Ik I already asked a lot of questions today, but im trying to make a 3d model from scratch and running into a lot of problems, I'm trying to do this:


This is from a youtube tutorial but this happens when i try to use the bevel tool on mine


anyone know why? Please help if you could. I can't seem to find this anywhere else

here is my blender file:  

and here is the YouTube tutorial I was following: https://www.youtube.com/watch?v=6BANJc53Eik
What you need to do, is remove doubles. You have 36 doubled vertices in your model, and that is what is giving you problems it seems. After doing this, bevel gives no issues. Tab into edit mode, then select all, and press W>remove doubles. 
Then proceed to bevel, and you shouldn't have any problems.