I sell sewing notions. I understand if I purchase my supplies from a company, receive the bill and pay for it. I also make items to sell. I do not pay myself for them. How and where do I enter these items to get them into inventory?
If you want them to be created into inventory before sale, then use 'inventory' type items and create the stock thru 'inventory adjustment', then sell the stock on invoices/sales receipt. Where the 'adjustment' goes depennds on how you account for supplies purchased and wages.
If you don't need to have them 'in-stock' within QB, then you can use 'non-inventory' items and simply sell them.