Customers are essential if you are in business. Without customers, the business dies. With QuickBooks Online, you can keep track of customers that you will invoice for work that you perform. The following are fields that you can store in the customers section. Title First Name Middle Name Last Name Suffix Email Phone Website Company Name Billing Address Shipping Address Notes Tax Information (Exemption Details) Preferred payment method (Cash, Check, Credit Card) Preferred delivery method (print later, send later, none) Terms (Due on Receipt, Net 15, Net 30, Net 60, other) Opening Balance Attachments (Maximum size for each is 25MB Make Inactive To open up the Customer section, first click Sale on the navigation bar  [...]