I ordered materials from my personal Amazon account. Can I include those for deductions? If so how do I do that here?

Hello, usermeandtheboysco. 

Thank you for reaching out to the Community. Yes, you can add the transaction from your personal account in QuickBooks Self Employed. Just add them manually and under Type select Personal. For your visual reference I'll guide you on how to add it manually: 

1. Click the Transaction menu and choose Add Transaction. 
2. Enter the description and amount. 
3. Under Type, select Personal. 
4. Choose the Select a category menu. Select the best category to organize your transaction. Learn more about categories. 
5. Press Save. 

For more detailed steps about adding transaction manually, please check out this article: Manually add transactions in QuickBooks Self-Employed. 

Also, to understand more about scheduled C in QuickBooks Self-Employed, you can refer to this article for reference: Schedule C and expense categories in QuickBooks Self-Employed. 

Please click the Reply button below if you have any other issues or concerns, and I'll get back to you right away. I'm always here to assist. Have a wonderful day!