Newbie here, but did my research - I'm trying to get a suite for three nights at Park Hyatt Washington DC. I have Chase UR points that I plan to transfer to Hyatt, although I have no status with them. Seems the best way to do this is to book Cash + Points and buy a DSU from someone here. Alternatively I could book a cash rate through FHR or Virtuoso, but then I'm just redeeming points for cash.
If the DSU is attached to someone's account, how would I book with Cash + Points?