The only valid reason to keep tech boxes is if you frequently upgrade your devices and sell your used items. In that case, keeping the original packaging will probably increase their value. Television boxes are also likely to be stashed away for safekeeping but never used again.
Should you keep the box your TV came in?
When you buy a new TV — whether it's online or from a retail store — it's wise to keep the box around for awhile. ... If something happens to the TV during the warranty period, you will need the box to ship the set back to the manufacturer for repairs in case there isn't an authorized dealer in your neighborhood.
How long should I keep the box my TV came in?
1. Hold onto the box for a few weeks after purchasing, so you can return the item without any hassle if need be. Most major electronics distributors only honor returns within 14–90 days after purchase, so it can be useful to hold onto the box during that time. However, you don't always need the box to make a return.