2-pk. 6′ Anker USB-C to USB Cables: $7
Amazon.com has 2-Pack of 6′ Anker Nylon-Braided USB-C to USB 2.0 Type A Cables (Black) on sale for $6.99 when you apply COUPON CODE: AKMCM733 at checkout. Free shipping w/ Prime or on $25+ orders.
Note: coupons are typically limited to one use per account.