参加 .NET 基金会调查中了 250 刀的礼品卡，如何处理？

前端时间参加了一个 .NET 基金会的调查问卷，今天收到了获奖邮件

Hello XXX,

Congratulations on winning one of the 10 prizes for filling out the .NET Foundation “State of .NET Survey”. We appreciate the time you took to fill it out. The results are publicly available here.

We’re happy to provide you with a $250.00 USD gift card code for the .NET Foundation Store.

$250.00 USD GIFT CARD: XXXXXXXX

Please select an item or items of your choosing and add them to your cart. Enter the above code at checkout under "Gift cards" to apply the balance. The store ships internationally and the gift card amount can be applied to shipping/total cost. This code expires on January 1st, 2026.

Congrats again!

Beth Massi, .NET Foundation Board of Directors

商店地址

东西不多，鼠标垫，耳机，电脑包，笔，T 恤, 贴纸

问题

1. 如何转让变现？
2. 美国这种礼品卡，必须一次用掉还是可以多次使用？
3. 地址怎么填？拼音？
4. 介于美国新冠疫情，跨境包裹有没有风险？

• 随便选了几样 60 刀的东西，运费要 19 刀，还是一次性花了合算