Great posts, but just as a head's up -
K-1, line 11F does not necessarily go on Sch E.
Many items go on line 11F, including security trader cpital gains that might go on Sch D and security trader dividends that might go on Sch B, for just two examples.
oceanwave07,
The 31 day trick is not part of qualifying for the mark to market election. Rather it is an informal method mentioned on traderstatus.com for a capital gian securities trader to avoid the perils of the wash sale rule, assuming he not only stops trading, but also stops holding any positions too.