Customer InvoicesOverview of the invoicing processHow to setup cash discounts?Set up cash roundingsHow to setup and use payment termsHow to define an installment plan on customer invoices?Deferred revenues: how to automate them?How to edit or refund an invoice?Customer PaymentsWhat are the different ways to record a payment?How to register credit card payments on invoices?How to register customer payments by checks?Get paid with SEPAHow to get paid and organize customer follow-ups?How to automate customer follow-ups with plans?