If you have all cash self-employment income, you will need a schedule C. That requires the most expensive version of regular turbotax online.
But, since your total income is less than $36,000 you can use the IRS-sponsored FreeFile version of Turbotax that includes forms that normally require an up-charge. To use the FreeFile version, you must log into the FreeFile site and make a new account, you can't use your regular Turbotax account. (If your browser automatically logs you into the regular Turbotax site, you may need to clear your browser history then try again.)
https://freefile.intuit.com
