Efficient Google Ads Lead Setup

I’m preparing a Google Ads campaign for a professional-services firm and want the account built from the ground up to generate phone calls—only within one specific U.S. city. Quality leads at the lowest possible cost per call is the benchmark... (Budget: $30 - $250 USD, Jobs: Digital Marketing, Google Ads, Google Adwords, Google Analytics, Internet Marketing, Keyword Research, Lead Generation, SEO)