I have a question if Sub Customers can be used for this example to simplify invoicing for our customer. 

Our customer has 4 Regions - - - they are all same as as example region 1 below. 

Region 1 - Lino & Cloud - everything bills to Lino but many jobs ship to Cloud.  We need to bill Lino for all jobs shipping to Cloud but some jobs ship and bill to Lino as well. 

Is this an option to use Sub Customers to ease in having to type in the ship-to address all of the time? I tried setting up Sub Customers.  However, when I invoice something for Could it shows Cloud in the Bill To and needs to read Lino.

Make Sense? What am I doing wrong or is this not a good fit?