Not only do we consider the bargains and cheap prices, of acquiring electronics and tech gear but one must consider the inevitable depreciation factor that is associated with these goods.
I estimate my own personal tech depreciation at around $5000 which is a fairly modest figure. Unlike in the past, I often buy tech products well into the maturity stage once prices have fallen dramatically and use untill end-of-life(either through mandatory obsolescence, broken down , no longer supported, etc).
This greatly protects as a buffer against accelerated depreciation and decline of value.
I understand many consumers like to have the "latest and greatest" tech gear and don't want to wait 6-12 months for mass market penetration and prices to fall, hence they pay a price premium and their residual value for resale would be much lower than if they had waited a while.
You must factor in all tech acquisitions such as computers, tablets, mobile phones, external peripherals, game consoles, displays, optical disc players, etc.
TL:DR