If you're wanting to get a new Microsoft Surface Pro you are in luck, Microsoft currently has an offer where you can trade-in your old devices for such as windows/mac laptop, smartphone or tablet devices and you may be eligible to get a trade-in value up to $1500.
3 simple steps, first fill up an online form describing your item and other information, A Microsoft agent will call you regarding your trade-in and will give you a trade-in value, finally, you will have to go to the Microsoft store and trade in your old device and the value of your old device will be changed from the total amount of the new Surface Pro 4 and pay for the balance.