What benefit does using inventory items in transactions provide in Xero?

Using inventory items in transactions in Xero offers the benefit of automated transaction completion. When inventory items are included in invoices or purchase orders, they automatically populate key fields such as item descriptions, quantities, and prices. This reduces the need for manual entry, minimizes errors, and streamlines the overall transaction process. By automating this aspect, businesses can save time and ensure accuracy in their inventory management and financial reporting.

The other options focus on unrelated aspects. For instance, while transactions will update instantly in many cases, that is not unique to inventory items. Similarly, tax filing is not eliminated merely by using inventory items; it remains a separate responsibility of the business, while manual record keeping generally contradicts the efficiencies gained through automated processes.