Amazon's mega "Prime Big Deal Days" kicks off October 8 and we expect some big discounts before the holidays — but we also predict some hot ticket items will sell out. Here's what we think will go faster than ever this year.

Many of the deals that Amazon is advertising for its Prime Big Deal Days this month aren't your typical holiday gifts. To be sure, the company describes the sales event as "epic deals ahead of the holiday season" (note the "ahead" here).