PS4 still has lots of shelf life left. Xbox one, probably not.
PS4 will be selling for years to come with a slimmer model and lower price. Perfect for ppl who want a great console with tons of great games and can’t afford a $400-$500 PS5.
7th gen hardware sales dropped fast even though new consoles were $400-500. Also, based on software sales its evident that avid gamers were to first to upgrade because 7th gen software sales also declined quickly. Now we also have Trump saving the world, so people have more money for consoles!
In theory the PS3 and 360 should have had a long shelf life, they should have had significant price drops as $99 was often rumored, but it didn't happen. Both declined in sales quickly and major software support ended sooner than expected along with cancellations. Even as popular as PS4 is at the moment, avid gamers will want a PS5 and that's where the major revenue goes.
Ultimately, what does a long shelf life really mean? Regardless how long 8th gen consoles stay on shelves, sales will be a fraction when the 9th gen is here.
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