Question

How do I cancel the sales tax portion of my return. I might have to restart the whole return, how do I do that as well

When they asked if I wanted to add sales tax information, I clicked yes instead of no. Now it won’t let me remove the sales tax from my return

To remove your sales taxes paid in TurboTax Online:

Open TurboTax Online
Select Tax Home in the left pane
On the Hi, let's keep working on your taxes! screen, select the dropdown to the right of Deductions & Credits box, then select Start, Continue, Review/Edit, or Pick up where you left off
On the Your tax breaks page, you should see Sales Tax listed. Select Edit to the right
If the Let's Compare Your Sales Tax and Income Tax page generates, select Try Sales Tax Deduction Anyway
On the How do you want to enter your sales tax info? page, select Enter All My Receipts
On the Enter Sales Tax You Paid page, remove any entry for Total Sales Tax Paid, then select Continue
On the We've Chosen A Deduction for You page, select the box next to Change your deduction, then select the bullet next to State and local income tax deduction, if that's what you want. Then select Continue

If the TurboTax Online navigation described above doesn't look like what you're experiencing, see the TurboTax Help article Why does the TurboTax navigation menu look different for me?.