Dear Sir/Madam,
Unfortunately, searches in both the learning center and the community did not yield the desired result. So here goes:
I have just started a business. One of the things I do is make and sell end products that I manufacture from all kinds of components (electronics, 3D prints, etc.). I often make purchases of these materials via AliExpress or Amazon. Especially for prototypes, this often involves 50-100 parts from several sources, each costing a few pence.Can/may I combine these in any other way, or do I have to enter a separate invoice for each part from a pair costing a few pence?