Best thing to do is to add them under miscellaneous and label it Travel meals.
Best way to get there is to:
1. Login to your account
2. Click on Business Tab>Continue
3. Click I'll choose what I'll work on
4. You will see Business Income and Expenses>click update
5. You will see your business listed>Edit
6. You will see Business Expenses>Update
7. Scroll till you see Other Miscellaneous Expenses>Update
8. Under description type in postage and then the amount.
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