In years past, I would always make my proceeds on 8949 match the proceeds on my 1099-B.
If that meant fiddling with a couple of transactions, plus or minus a dollar or 50 cents, so be it.
BUT NOW --
As an active investor, be aware that your category Box A sales without adjustments do not require Form 8949, so there is no reason to import or key in those transactions.
Instead use the "enter a summary" option to put your numbers on Schedule D Line 1a.
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If you have wash sales, it gets more complicated since those adjusted transactions have to be itemized on Form 8949 and the summary totals adjusted accordingly.
Enter the wash sales on Form 8949, then use the subtotal results on the bottom of that form to know how much to subtract. Be sure to NOT check the adjustments box in the summary window.
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Alternatively, if entry of Wash Sales is too tedious,
summarize and check the box for adjustments and enter the disallowed amount.
This summary will go on Schedule D Line 1b.
You will be making the mail-in election.
