Thank you for giving me the opportunity to assist you. I will give the best answer that I can with the information provided.
You are not required to use a tax professional to complete your return, although you might find it helpful.
You do need to file Schedule C, and if you have not received a 1099misc, then you will report all receipts received (income) in the gross income box. Your ordinary and reasonable expenses related to earning the income may be placed in the income boxes accordingly.
I will give you some links to publications and rules for Self-employed persons: