Ever tried to make money online? Digital advertisers bombard people with the question every day – because, really, who in the right mind would object to an additional source of income? But the irony is that almost everyone reading this has a much easier way to bring home some extra bread. Many of us have random items scattered around the house that aren't being used and have the potential to be incredibly valuable – in other words, we're sitting on little gold mines and we don't even know it. Read on to discover the everyday items that are worth tons of cash (and that hopefully no one threw away).