Amazon's Black Friday week has begun. Here's what to know about shopping the sale, including how long deals will last.

Amazon workers in 20 countries, including the United States and the United Kingdom, are planning to strike or protest on Black Friday and Cyber Monday as part of “Make Amazon Pay” demonstrations. The demonstrations are a way for employees to protest poor working conditions.

There's less than a week left to earn the Prime Visa's highest welcome bonus -- a $200 instant Amazon gift card upon account approval. If you're gearing up for Black Friday and Cyber Monday deals, this could be an easy way to shave money off your Amazon haul.