Dear @AMG02 

I am dealing with the same problem - I wanted to have the bills in the system (So that I can track the AP), but at the same time I can't put it to the inventory as separate products, as well as I can't put it to any expense account, as it would distort P&L. Maybe my solution can be helpful also for you: I have a created the account 'Goods on the Way' and I also put it on the same account types as the 'Inventory Assets' are - Other Current Assets/Inventory. So it is staying in the Balance Sheet, but it's still clear to me, that it's only on the way.

Monika