i buy sugar in ten lb bags from wholesale club. you can probably get it cheap at restaurant supply store, too. my only issue is finding a pot large enough to hold boiled water and sugar, with slosh room for stirring to speed dissolving of sugar. Have never seen high fructose corn syrup for sale at wholesale club. will have to check restaurant supply store next door next time i need sugar re: prices/availability of both.
Man whose hives i am taking care of now usually uses corn syrup or frames of honey not extracted in fall, just stored in barn for bees in spring.... michigan weather in spring being what it is.