Nationwide SEO Boost Needed

I want to ramp up my small-business website’s visibility across the entire country so that the phone rings more often and genuine enquiries grow. The priority metric is calls, not generic traffic, so I’ll be judging success by the volume and quality of leads that come in... (Budget: $15 - $25 USD, Jobs: Content Creation, Google Analytics, Internet Marketing, Keyword Research, Link Building, Marketing, SEO, Website Optimization)