Cold calling is a difficult but important way to gather sales leads and market information. The presenter provides numerous tips for improving cold calling effectiveness, such as thoroughly researching prospects on LinkedIn and social media to find connections and tailor the pitch, being friendly to receptionists to get past barriers, practicing call scripts, scheduling dedicated times for calling to establish a routine, and using metrics to optimize strategies and track performance over many calls. While cold calling requires persistence and a high volume of calls, following these tips can increase the chances of securing valuable meetings, feedback, and eventual sales.