If you're looking for a reliable solution for yourself I recommend you to check out this cloud hosting. These servers are fully scalable, fault-tolerant, cost-effective. They also provide pay-as-you-go model.

This is only a suggestion but I can recommend you to add to your choice (e.g. gift card) one more original and small present - a greeting card! For example, here you can create fantastic designs for your greeting cards, GIFs, and videos for your husb...

Have you already tried vexel crypto wallet https://vexel.com/ ? There you can buy Bitcoin using your debit/credit card instantly or withdraw it & fiat funds to external wallets and bank accounts.