This document provides guidance on building a marketing plan for startups, including messaging, infrastructure, demand generation activities, staffing, timeline, and budget. It recommends developing user personas, a positioning statement, and mission statement to guide messaging. Infrastructure should include integrated tools like Salesforce and HubSpot. The sales process should be mapped and bottlenecks addressed. A balanced approach to demand generation includes inbound, outbound, and sales prospecting activities. Metrics and testing different content and activities are important.