You can buy points. Cost is 24.00 for 1000 pts.
http://www.hyatt.com/gp/en/awards/combine_transfer.jsp
Transfer points in or out of your account still cost 24.00 to transfer out.
Get the Hyatt credit card and make charge. I like this option. There is activity every time you use the card and you get the card benefits if you decide to use it.