Retirement tax questions

Yes, you can call it ''credit/debit'' (or some other description) in the Other Self-Employment Income (includes cash, checks, etc.).   When you enter the income, TurboTax is going to ask you about your sales business.   Use your name and home address for the business.    You can add any cash, checks, and debit and card payments you received all on the same line.  

How do I report income from Self-Employment?

If you have expenses directly related to the work you do, you can deduct them as business expenses.   See What Self-Employment Expenses Can I Deduct? 

Tax Guide for the Self-Employed: Everything You Need to Know