If you want to choose a great present and make your client happy, you need to know that person well. And, since you have already found their perfect home, you probably know more about them than you would think.
When you (and your significant other) make a decision to go on a journey that ends with one of the biggest and most important transactions in life - i.e. buying a house or an apartment - looking into your real estate agent is not the first thing on your mind.