SEO for the Internet store of building materials

The budget is minimal for such a site, with the budget increased the result could be twice bigger and faster. It is mainly the internal work on the site.
Internal optimization of the site:
• Collecting, filtering, clustering of semantic core
• Filling the target according to semantics
• Writing TZ copywriter on the text
• Settings of redirects, robots.txt, sitemap.xml
• Writing TZ progamist to correct them. The Site Error
• Continuous site monitoring, search and deletion of duplicates from the Google index
External Optimization:
• Registration in free trace catalogues
The Eternal Thematic Relationship
• Analysis of competitors