The last wedding expense you need to account for is the tip. This is usually the last expense figured out and often times missed. I think it's the rational they have already paid for each of their vendors and therefore, should not be tipped for a job well done. To my vendors defense, I would say...you should tip them and include the extra expense in the beginning of your wedding planning to ensure all monies are accurately accounted for. If your overall wedding budget is 20,0