I do have my own records in the form of a spreadsheet.
To clarify, TomasM125 says "I don't need to enter each individual sale," whereas fanfare says that if I don't enter each individual sale, I still have to send them records on each individual sale (e.g. spreadsheets).
Going on the assumption that fanfare is the correct answer (and TomasM125 left out this important detail?), if I file by mail, can I just stick a printout of the spreadsheet in the envelope with my return? Or does it need to be sent to the IRS in some special way (i.e. labeling, etc). Is just a spreadsheet in the envelope sufficient?
