Why am I not getting a tax deduction for mileage for doing Doordash

You may have entered in in the wrong place.  If you are using TurboTax Self-Employed you will have the following screens.

• Select Federal
• Pick Self-employment income & expenses [REVIEW]
• Under 2020 self-employment work summary select [REVIEW] again
• This will now display both the Income and expense selections that you had.
• Continue to post your mileage expenses here.

What if you're using Deluxe? Why would have to do special self-employed version for a side gig? What happened before self-employed versions were out there?

TurboTax Deluxe, Premier, and Self-employed all support Schedule C, but the complexity of the Schedule C that is supported increases with each version of TurboTax.

 

This is because the amount of work that goes into creating the tax return with a sole proprietorship is more more than a simple return that is only a W-2.

 

NOTE: Deluxe and Premier supports only the very simply sole proprietorship, typically one with few or no expenses.