My fiance and I have lived together for 6 years now and we have an established household. On top of that are apartment is very small and have limited amounts of space. We are paying for a 50k New York wedding completely out of pocket with no help from family or friends. I will have ONE registry with several different items listed ( we understand that people like buying gifts but want to steer them away from it) but is really that rude/tacky/taboo to include a cash registry?