On average, our processing team fulfills orders within 24 hours after the payment is completed. This is true for 95% of all orders. However, occasionally some titles may be delayed and we need some extra time to get them prepared for you, usually within couple hours. It can take up to maximum 24 hours.
Yes, you will need to connect to the seller's account first, download the game, and then that you will be able to play freely from your personal account. All of the features like trophies, savedata and multiplayer - will work the same way as if you've purchased it on your own account.
Yes, it is 100% safe and secure. This method of buying a digital license legally has no risk or harm to your console, as the console were designed to allow such game sharing between family members.