% Inventory Tracking real-world objects. - [Accounting Savvy for Business Owners ch. 8](http://www.amazon.com/Accounting-Savvy-Business-Owners-Essentials/dp/193292518X) - https://www.reddit.com/r/plaintextaccounting/comments/ry52v9/help_with_tracking_inventory_and_conversions/ - https://hledger.org/inventory.html