Upselling… a common term within the service industry! why do we upsell? What is its importance? Well, upselling is a tool which helps any service provider to offer a product with a little more cost or offer add-ons to earn some additional profit. This is a simple definition which is a major important tool for any service industry. However, for me….its has been a very crucial tool for “Customer Retention” / Customer Satisfaction”. How Customer Retention you may ask and why? Let’s consider a simple example,  I was handling a wedding event of 1200 guests, my guest was not too aware of hotel policies and the processes. Hence, I had…