How to get Kindle Unlimited without paying full price

The original Amazon Kindle played a key role in making it possible to purchase books without stepping inside a physical store. But Kindle Unlimited takes that idea even further, creating a sort of Netflix for books where readers can choose from millions of titles by paying a monthly subscription cost. But, last year, the subscription jumped by about $2 up to $11.99 a month, leaving many readers wondering how to find Kindle Unlimited deals.