If preliminary and working budget were good, costs should not differ much from estimates. Fund-raising Events should gross three to four times their costs. Sponsorship Sponsorship is extremely time consuming. Not the same as benevolence. Donors contribute without any expectation of commercial benefit.
Sponsorship is a commercial transaction.
Sponsors want to see a return on their investment. Broad objectives corporations use to determine sponsorships. Differentiate product from competitors. Help with good corporate citizen role. Contribute to community economic development.