You can purchase Steam cards from other countries and use them at your home.
You can purchase Steam cards from other countries and use them at your home.
They might be able to purchase Steam gift cards from the store and send them back to you in the UK. Using those cards for your account should work.
Yes, as long as they're turned on at the checkout (which activates automatically), you should be able to use them.
And will their value change when switching currencies or will my shop convert to dollars or euros based on the card I use? Thanks!