Comprehensive CRM Development & Customer Lifecycle Portal

I want to make a CRM to maintain customer data with an administrative dashboard to fully edit and customize the customer experience. The CRM will act as a lifecycle portal to show all own equipment, service agreements, and notices for preventative maintenance... (Budget: $25 - $50 USD, Jobs: API Development, Backend Development, CRM, Database Management, Frontend Development, HTML, MySQL, PHP, Web Development, Website Design)