There is up to a $500 limit per individual gift card, varied based on each brand offering the gift card. There is a combined $5,000 redemption limit per day, per individual across all Uphold accounts verified under that individual.
You will be sent an email with a redemption code for all gift card purchases. Cards and transaction history can also be accessed by clicking "activity" in the navigation at the top of your screen.
Yes, however if your location can not be determined, you will be shown US gift cards by default. It is highly recommended to choose your country location from the drop down at the top of your screen to ensure your purchase will be successful.