Customer InvoicesOverview of the invoicing processHow to setup cash discounts?How 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?How to modify a validated invoice?Customer PaymentsWhat are the different ways to record a payment?How to accept credit card payments on invoices?How to accept paypal payments on invoices?How to register customer payments by checks?How to get paid and organize customer follow-ups?How to get paid?How to automate customer follow-ups with plans?