Freelance Job: Development of a cost effective CRM system

We seek an economical, scalable CRM to manage our expanding customer base. The system must store and organize contacts, enable categorization by product and spending levels, and support searchable filters. Include configurable alerts and prompts for timely actions, integration with a limited set of email templates for targeted outreach, and basic reporting on engagement and revenue. Emphasize usability, data security, and straightforward deployment with clear documentation for ongoing maintenance.