If you are using TurboTax Online and you started in the free edition your return should be free unless you have items to report that are outside of what the free edition offers. To start a return in TurboTax Online free edition you can do it from here.
About 37% of taxpayers can use TurboTax Free Edition. TurboTax Free Edition is intended for taxpayers who file a simple Form 1040 only (no schedules except for Earned Income Tax Credit, Child Tax Credit and Student Loan Interest).
If TurboTax detects that your tax situation requires additional coverage, like deductions for owning a home, unemployment income, or self-employment income, you will be prompted to upgrade to a version that supports the forms you need so that you can maximize your tax deductions and file an accurate return.
Some things that are not covered in the free edition are as follows:
Click here for Why do I have to upgrade from Free Edition?
You can use this link to enter your unique tax situation and it will automatically select the appropriate product for you based on your selections. Compare TurboTax Online Products
You should select that you have sold stock or crypto and that you want an expert to help. You can start for free in full service and additional costs may be added depending on your circumstances.
If you would like a desktop product, TurboTax Premier is best for investments. TurboTax Desktop offers LIVE help as well. You can click this link: Compare TurboTax Desktop Products