I'd be glad to walk you through the steps of recording these expenditures in QuickBooks Self-Employed, igraft. 
 
Below are the steps needed to complete this:
 - Go to the Transaction menu and select Add Transaction.
 
 - Enter the amount and a brief description.
 
 - Browse the Select a category menu and choose the best option to organize your transaction. 
 
 - If you have a receipt, you can drag and drop it onto the form.
 
 - When you’re ready, select Save.
 
If you're not certain about the category, you might want to check this out to learn more about them: Categories in QuickBooks Self-Employed.
 
Also, you might consider downloading them through CSV. Here's an article about this process, for additional references: Import transactions from other sources.
 
Don't hesitate to drop by again if you need anything else.