Somehow I have a form 1099 G that was included twice in my return. Therefore my income appears to be 8,000ish higher than it should be, fed accepted. How to proceed?

It is possible that the form 1099-G was entered twice.   If your unemployment income was overreported and your tax return has been accepted, wait until your return is processed and then file an amendment to report the change.   Amended returns can be e-filed in TurboTax for the tax year 2020, so it should be an easy fix.  

However, before you file an amendment, double-check that you really need to.   You can print or view your tax return, Schedule 1, Line 7.   That line reports the total unemployment income that was filed on your tax return.    

If your UE compensation is showing doubled, you can delete one of the 1099-G forms,  TurboTax will recalculate your return and then you can e-file it.   The amendment software is not ready yet, and you should wait until the IRS fully processes your original return before filing the amendment.  

TurboTax had a bug and was doubling the amount from 1099-G.

anybody who did not review carefully and filed with this error now has a problem.

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Always print a copy of your completed tax return for your records, and review it carefully before e-Filing.
You will need it if you are audited by the IRS, or to amend if a TurboTax update changes your return or for any other reason,
SUCH AS, TurboTax bugs.
AND, to find your AGI next year.

This happen to me but they told me to file an amended return but I feel why should I do this and now I owe and beside I was trying get my unemployment tax break for my 2020 tax return please help I'm confused 

if you file with too much unemployment income, and correct that,

your tax should go  down, not up.

currently TurboTax will put in the extra deduction for you, so again your tax will go down.

The extra deduction part will be sent out soon by IRS, so wait until that  happens.

amending could take a long time to go through.