As part of the core experience offered by Playstation the Plus program is essentially a subscription which allow users to access the network features of most of the catalogue, such as the multiplayer, which also help reduce the number of cheaters as well as obtaining certain deals for games on the store and receiving periodically a few games for free to keep forever, as long as you have the Plus active.
So if the service is necessary you can save a few bucks along the way with AKS!

PlayStation Plus subscription is an absolute game-changer for PlayStation gamers. The benefits and value it provides are exceptional.

With a year-long subscription, you gain access to an ever-growing collection of free games each month, allowing you to build an impressive library of titles to enjoy. The online multiplayer feature unlocks a whole new level of gaming experience, enabling you to compete and cooperate with players from around the world. The exclusive discounts and deals for PlayStation Plus members are a fantastic perk, allowing you to save big on game purchases, DLCs, and add-ons. Additionally, the access to cloud storage for game saves ensures that your progress is always safe and easily accessible.

Good discounts, monthly games, online multiplayer. A must have for playstation users

While it’s necessary to play most online games, why not get it for cheaper here than what you’d find at your local gamestop?

Yes, everyone that owns this console has Plus, so grabbing one for a year would be decent.