Thanks @Jennifer_Dungan I got it working

Thanks @Jennifer_Dungan  Step one complete, when we look at the homepage and add another page "checkout", you can see total is working at both row and column.  However...when I look overall at another dimension, let's just pick anything - say "Day" dimension. The total is adding mobile and desktop -...

I am looking to create a calculated metric that sets a different value for Device type = Mobile and another one for Device type = Desktop.  Example:If homepage has page view & on mobile device, then set value for those hits to $2.If homepage has page view & on desktop device, then set value for thos...