Book excerpt: Acquiring new clients is hard! So why not switch to a strategy that will allow you to sell more to existing clients? If you want grow your sales, the quickest way to do that is to upsell your existing clients. One study showed that you can increase your sales by up to 30% by simply selling more to your existing clients. Make upselling a primary sales strategy and a crucial part of your sales process! In this book, Victor Antonio will show you various upselling strategies to help you sell more, quickly.