Can I complete my 2018 taxes if I do not know what my 2017 refund is going to be? I filed my 2017 taxes this year (2019) and do not know if I will receive a refund

[DawnC0 · Accepted solution]

Yes.  When you go to file, you can use 0 for last year's AGI if your 2017 return is not processed yet.  Your federal refund is neither taxable or tax deductible, so your 2017 refund amount doesn't affect your 2018 taxes.