Advanced Google Analytics GTM and Adwords Setup

Setup Google Tag Manager and Enchanced Ecommerce Datalayer. Create data layer code to embed on site. Create tags and tracking in GTM. Setup analytics settings and data import SKUs to determine profit from each sale via calculated and custom metrics Give me instructions how I can update product costs. Determine google ads spend to acquire a single customer. I am not using a CMS. It is a custom website. I cannot give you access to the server. We will need to work together.