Webthe average retail store manager base salary at costco wholesale is $80k per year. The average additional pay is $14k per year, which could include cash bonus,. Webthe average manager base salary at costco wholesale is $90k per year. The average additional pay is $11k per year, which could include cash bonus, stock,. Warehouse store managers can make more than $100,000, with the potential to earn even more with bonuses. Webaccording to glassdoor, general managers at the chain get an average base pay of over $106,000. Overall, their salaries range from nearly $50,000 to $180,000. Meanwhile, warehouse managers make. Webthe estimated total pay for a store manager at costco wholesale is $87,951 per year. This number represents the median, which is the midpoint of the ranges from. Webcostco compensates its employees well, at least by retail standards. Store managers average $138,000 a year in salary, but costco's bonus and stock. Webless than a week after walmart revealed how much it paid its u. s. Store managers, readers digest dug up glassdoor figures on costco salaries for comparison.