Want to know how to write an email with an invoice attached? Read on for our top tips, as well as a sample invoice email you can use for your customers.A good email should briefly outline the unpaid amount, specify how overdue it is, and provide straightforward payment instructions. You'll learn essential tips to write the best invoice emails and provide 6 invoice business email templates and a template for you to use. Use this invoice email template to write and send invoices that are straightforward and easy to understand, making it easier for you to get paid on time. Create and send invoices as a PDF attachment using over 100 professional invoice templates. A good invoice template should include a space to display a clear total and specify the length of time that the customer has to pay for the invoice. I'm going to show you how to create your own invoices this won't just make you look more professional it'll also help you keep your finances in order.