Costco tops the list of retailers offering the best hourly wage for entry-level workers. David Paul Morris/Bloomberg via Getty Images Many US workers start their careers in retail. Some top chains pay more than $17 an hour to entry-level sales floor employees. Business Insider asked Glassdoor for 20 of the highest-paying entry-level retail jobs in the US. A retail job is one of the most common ways for US workers to start their careers. About six in 10 people have held a job in the industry at