Costco isn't just good for bulk groceries, $1.50 hot dogs, and 48-packs of toilet paper. These sales change all the time, so it pays to keep an eye on what items Costco has on sale each month. There are plenty of great deals happening across the store, but some offers are significantly better than others. This month, for instance, there are a few great deals on speakers and other handy gadgets to upgrade your smart home. With that in mind, some of you may be interested in checking out the electronics Costco has on deep discount this August.