Because in order to do so, I need to get proper office and warehouse space, where things can be organized and part-time workers brought in. And at this point this is impossible (Bay Area, cheapest suitable office space I could find is $1700+/mo). And at this stage this is simply not possible... not to mention the office rent is only the tip of the iceberg if I want to turn this into a proper employer business...
IF I move back to Europe, I may explore this. Here, I cannot commit full-time to this business, with USPS killing the international online sales and all sorts of internet taxes looming on the horizon. It is only going to get worse...