BuyDig via Rakuten offers the Sony 64GB UHS-I Class 10 SDHC Secure Digital High-Capacity Memory Card, model no. SF64UY/TQMN, for $39.99. Apply coupon code "VME10" and checkout via V.me by Visa to drop the price to $29.99. With free shipping, that's $0.47/GB, tied as the lowest total price we've seen, and it's a current price low by $8. (We saw it for $12 less a month ago, however, it's believed that mention was a price mistake.) It features read speeds of up to 40MB/s and write speeds of up to 10MB/s.
Amazon offers Prime members the Sony PlayStation Vita Protective Film 2-Pack for $1.98 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $4.98.) That's the lowest total price we could find by $3 . This official Sony product protects against scratches, dirt, and dust.
Update: Note that this item is temporarily out of stock, but can still be ordered at this price for delivery when available.