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None of the expense for working from home is deductible.  That deduction was taken away by the Tax Cuts and Jobs Act in 2017.  

If you paid tax on your unemployment, the IRS is asking that you do not amend.  They started issuing refunds in June and planned to be done by September 1.  Then they said end of summer, which is September 22.  Today someone called and was told December 11.

The good news is that they are paying you interest for the time that they had the money.  They have issued millions of unemployment credit refunds and are working to finish all of them.