Could you expand on this? I'm an EE but I don't see the practicality of building all your own hardware. As it is it is difficult enough to build economical ha

Could you expand on this? I'm an EE but I don't see the practicality of building all your own hardware. As it is it is difficult enough to build economical hardware to sell to others, let alone build one off personal hardware. What power am I holding here?...