Every business generates sales by either selling products, services, or a combination of the two. For example, a freelance photographer provides photography services for weddings, graduations, and other special events. A retailer that sells custom T-shirts in various sizes and colors provides a product to generate sales.
In general, there are two types of sales: cash sales and credit sales. The primary difference between the two is in terms of when you receive payment from your customer. Cash sales are sales that require payment at the time a product is sold or services have been provided. For example, let's say a customer walks into a T-shirt shop and buys a T-shirt. This sale would be considered a cash sale because the sale of the T-shirt and payment by the customer takes place at the same time.
Credit sales are the opposite of cash sales because the sale and the payment by the customer take place at separate intervals. For example, let's say the freelance photographer spends four hours at a wedding and sends their customer a bill a few days later. This is considered a credit sale because payment will take place sometime in the future after services have been rendered.
For bookkeeping purposes, credit sales are recorded as accounts receivable. Accounts receivable, also referred to as A/R, is the money that is owed to you by customers. We will talk more about how to keep track of your A/R balances later on.
Now that you understand sales, let's take a look at expenses.