The price is for the injection service work for getting this data on to your account and console. There is no monetary charge for the save itself. Saves are verified working and of quality. Only buy this if you're willing to give up your own saves to have a superior save of the game. This is a save progression which will overwrite your own save progression of the game.
Unlock trophies with completion saves as well. Save a lot of time away from grinding and farming. Get an edge in the game by unlocking progress or becoming overpowered. This is a service for Sword Art Online Fatal Bullet modded save, items, and other mods for the Nintendo Switch version of the game.