Bill vs. Expense in QuickBooks Online - use a Bill when payment is due later and an expense when the purchase has already been paid One of the common questions when using QuickBooks Online is: Should I enter this as a bill or an expense? The difference is actually quite simple: Bill = Pay Later Expense = Already Paid But choosing the correct one matters for accurate bookkeeping. When to Use Bill vs Expense in QuickBooks Online? Use a Bill when you receive goods or services fr