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Re; Big trends concerning CPA calls & smaller sideways and put losses.
Have called my CPA twice on derivitives this year;
fortunately IRS is like a game warden,much flexibility in enforcement in fish, hunt regulations.
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Some businesses expenses are worthwhile whether one writes them off or not;
trading books
giving to old test synagog, old & new testment church
home office
retirement funds reguardless of retirement or work habits.