Working as a caterer the starting salary is $18,000.00 per year and can go up to $31,000.00 per year once you've been on the job for awhile and then can go as high as $51,000.00 per year.
If you run your own catering business then the salary depends on how much catering jobs you get and your fees for catering.
You could typically earn from $31,000.00 to $61,000.00 or more per year working for yourself doing running your own catering business.
But to run your own catering business you're gonna need some money for advertising, the equipment, food etc and gaining the clients to caterer for.