Technical SEO Crawlability Fix

My biggest growth lever right now is technical SEO, and the area holding us back is crawlability and indexing. I want search-engine bots to discover, understand, and surface every valuable page on the site without wasting crawl budget or getting stuck in loops... (Budget: $15 - $25 USD, Jobs: Content Strategy, MySQL, PHP, SEO, Web Development, Website Management, Website Optimization, WordPress)