The budget process is where you decide on entry fees, sponsorship fees, and where you will play. The location of the event, catering, and selection of awards and prizes all affect the budget. Also, you will want to take into account the amount you want to donate, rather than whatevers left at the end. Having a fundraising goal can help bring sponsors on board and create a buzz in print and online media.
Another question that may get raised comes when you are trying to figure out the number of participants. On one hand you don't want to say no to someone who wants to play but you also don't want to be on the golf course for 6 or 7 hours.
Printed materials cost money as well. Try to get a printer to subsidize part of the cost in exchange for putting his name on them and being listed as the print sponsor, recognition at these events is at a premium because there is a guaranteed number of people looking at the sponsors business.
Once the budget is crafted you want to lay out an outline for each chairman to help them stay on task.