[GNC] Sales items, Service items, Inventory items

[flywire]

GnuCash does have an inventory system but it has been
increasingly customised to stock (shares not livestock). Inventory
(businesses refer to it as stock) is a standard part of most business
taxation systems and It has little to do with point of sale.

Four posts into the
https://lists.gnucash.org/pipermail/gnucash-user/2024-March/111175.html
thread is the start of a discussion about using GnuCash inventory more
generally. It seems the biggest issue is interpreting the fields more
widely to use them for other purposes.