Oh, I should clarify that when I say "other sites," I mean that I used to write for Demand Studios, Squidoo, Bubblews, and Hubpages. The first three are long gone, but I still earn regular payouts from HubPages. Haven't published there in a long time, so this is all residual income.
Also, the $300+ per day only included my workdays - I averaged it out to cover that. So I wasan't making $10,000 a month or anything lol.