Expenses: Complete Guide The Expense module records money your business spends outside normal inventory purchasing. Complete expense records make cash activity easier to explain and provide the operating-cost information needed for meaningful financial reports. In this book Create payees and expense categories. Record an expense with its date, payment method, amount, and funding source. Add references, descriptions, receipts, and attachments. Search and review expense history. Understand how expenses contribute to net Profit & Loss reporting. Record expenses consistently and attach source documents whenever possible.