Probably capital gains, like striking it big in the stock-market. e.g., someone selling a bunch of Apple stock they purchased back before iPods became popular.

Probably capital gains, like striking it big in the stock-market. e.g., someone selling a bunch of Apple stock they purchased back before iPods became popular. Can you even imagine trying to file this on your taxes? Unless you're a mega-corp, the first thing that will happen is that within 24hrs of the deposit, your bank would call you to say how much they appreciate you using $BANK_NAME for your banking needs and assign you a personal banker that you can reach at anytime to answer any questions. You'll probably also be sent flowers & a mug & all kinds of swag. They'll send you a birthday & holiday cards too..... then a few days later the police will show up....