How to keep a homebuyer on budget

If you've worked in real estate as long as I have you will come across a buyer who is determined to blow the budget and exceed what they should be spending. As an agent we work alongside a buyers lender not only so we know they are a qualified buyer, but so that we also know what our buyer can spend. Of course if we are working with a cash buyer an up-to-date proof of funds will be needed to determine what the buyers limit more.