Any client who starts a creative conversation with his or her agency by saying how much or how little funding they have to work with, is ddamn fool. Planning – really effective planning – needs to be driven by objectives and audience. It should not have any prerequisites or disclaimers included. Your marketing team should be free (early in the process) to give your needs and problems their best thinking, dollars notwithstanding. If you are lucky, you may find that cost will not be an issue. On the other hand, if it is an issue, there are things you can do collectively to minimize the pain. For example, look at extending your timeframe, consider what can be done both in and outside the company, and finally, look at all the tactics in the plan and which ones must be done versus which ones could be deferred – at least until you start to see a return on your investment.