This document discusses how to increase website conversion rates and sales by up to 2.5 times without investment by implementing mobile commerce (mCommerce) payments. It notes that the average e-commerce conversion rate is only 5% due to unavailable or inconvenient payment options. mCommerce allows payments via SMS in just two steps, requiring only a mobile phone, with no redirects or competing brands. This easy, safe method can increase customer loyalty and sales through SMS advertising. Legal and technical issues are addressed, and A1 offers a reliable billing system with operator contracts and support for mCommerce integration.