This site has a grand selection of bulk candy! Reasonable prices too! I like how the site allows you to only see colors you want or select certain themes. Makes candy shopping much easier. They also have a tutorial on how to build your candy buffet
How to Create a Sweet (and Stunning!) Candy Buffet
Pink candy buffet, “A perfect choice for a bridal shower or brunch.” Chocolate truffles, delicate petits fours and red velvet cupcakes share the table with old-fashioned classics like taffy, jelly beans and marshmallows.