I am using the step-by-step. Here's one error I have identified. See if you can replicate it.
Enter a 1099-K ... report $7000 ... check the box for "not all is income" and put $1500 (example) in the subsequent field. So, now it shows only $5500 income.
Enter ANOTHER 1099=K ... report $6000 ... check the box for "not all is income" and put in $1900. So, this 1099-K reports $4100 income.
Move to the next business income. It will show of the 1099-income of $9600 ($5500+$4100).
Now go back to the 1099-K step-by-step area. Edit one of the 1099's and simply uncheck the box for "not all is income" (do NOT remove the dollar amount - just uncheck the box).
The change is not noticed and no recalculations take place no matter how far you proceed or even if you save / reload the tax return.
That's just one of several similar bad programming errors I have documented.
