People who have more complex tax situations, such as MTM traders, have not fared well with TT full service, it is too complicated and most don't understand.
If you read the IRS instructions for 4797 trader, you do not list all your transactions on this form, you enter "Trader - see attached". Then you send in your transactions in the 4797 column format, using a tool such as excel to properly format your transactions which have to mailed in separately.
I don't understand why you wouldn't take the business deductions, they are allowed and the foreign addresses are not entered, only totals. I would flag anyone who doesn't take deductions as a red flag of someone inexperienced and requires closer scrutiny.
