Hi, lgduarte.
QuickBooks Self-Employed helps you with record-keeping and receipts at the individual transaction level. However, for transactions without receipts, I'd suggest reaching out to IRS. They can provide more expert ways of dealing with the situation.
To learn more about organizing your transactions, you can refer to the resources below:
In case you want to know some "How do I" steps in QuickBooks Self-Employed, you can always visit our Help Articles page for reference.

Please get back to me if you have any other QuickBooks concerns. I'm here to help at any time. You have a wonderful day!