-Also clicked through cost basis (Form 3922) and numbers calculated change every time, even if all I do is press "Continue" without chaning any of the inputs.
I recommend you review your actual return for accuracy rather than clicking through the ESPP section as the program recalculates. You can print or review your return without filing. If you want to review your return you will need to pay for TurboTax and then you will be able to print your entire return or specific forms/schedules prior to filing. You will still be able to make changes prior to filing. Follow these steps to print a preliminary copy of our return in TuboTax Online:
Note, you must pay by credit card in order print or preview your preliminary return. You will not be able to pay using your federal tax return.