Freelance Bartender business. Need some part-time cash? Become a freelance bartender. Business Overview Hiring your bartending skills out on weekends, evenings, and even on a full-time basis is a great way to earn a terrific living, or just some spare cash to help cover living expenses, depending on your needs. You can market your services as a freelance bartender to catering companies, event and wedding planners, banquet halls, hotels, and pubs for relief duties, earning up to...