You should use DeductionPro in a way that best suits your own personal style.
If you are the sort of person who likes keeping track of things, youll probably want to enter your charitable donations and other deductions as you go throughout the year.
If you tend to let the receipts pile up and then take care of business all at once, youll probably end up entering your charitable donations and other deductions all at once before tax time.
You can use DeductionPro either way.