This covers expenditures for renting the location, purchasing food and beverages, paying for entertainment, decorating, sending out invitations, & other costs related to organizing the gathering. Setting Budgetary Limits and Idteen patty joyentifying Ways to Save. The success of the event depends on a number of factors, so it's critical to carefully weigh each expense and determine where funds should be allocated first. Also, it's critical to discover ways to cut costs without compromising quality. This can be accomplished by making your own decorations, making a playlist rather than hiring a DJ, or enlisting the assistance of friends or family for jobs like food service or photography.