I do occasionally use Argos, however I will have checked it out online first, made sure it is in stock (I tried their online ordering once and my brother gets spam messages on his phone for my fake name to this day) and go not very far to the various ones in town to pick it up. No walking, no fiddling, no customer service thinking they actually know something and trying to sell me anything. It is practically like online shopping. They also seem to sell SD cards at reasonable prices which is nice.
On second hand then a lot of my stuff is as well. That said most of that is car boot sales, charity shops and similar so I get it for next to nothing and know I have usually got something to fix.
For white goods (fridges, freezers, washing machines...) they tend to tell me the dimensions of them should I be space constrained. Fitted kitchens and washing rooms are popular things to have once, after that people seem more reluctant, or they are insane and insist on remodelling the kitchen every 3 years.