Build Dynamic Responsive Site (Content Heavy)

Design and Build a Large (and complex) MySql Database to drive two consumer sites (goal: lead gen with progress follow ups). There are 11,000 main products with many more options and sub products. Create dashboard editor with full update/ edit control of all on-page dynamic/ static content. Design and build a full function fully responsive site with customisation for specs leading to customer order forms then lead tracking (with auto email follow ups). Design and integrate monthly pricing calculator (maths supplied). Build a Twitter style special offer feature (separate from main content). Integrated live chat/WhatsApp.