Can someone please tell me everything you know about DIY centerpieces? We are thinking that we can do them ourselves, since my sister and I are pretty crafty. How do we store them until the wedding? Where do you recommend ordering from? We plan to do a trial run to see how many buds are needed for each centerpiece. How do we keep the foam thing inside the arrangement wet? FH and I are getting married on a Sunday evening over labor day weekend, so Friday afternoon through Saturday afternoon can be spent putting them together (there will be only 12-14 tables and the bigger ones will be repurposed in the ceremony). Basically anyone who has done this, can you tell me everything you know, tips, etc! Thank you so much!