Number RSVP cardS and log who has which number on a spreadsheet. Easiest way to track who still owes you an RSVP. When you don't get them back (and there will be many that you won't, its just how it goes) you know exactly who to confirm with.
DIY Wax Paper Backdrop - Style Me Pretty. Half circles of deli waxed paper strung on crochet thread. Stands are attached to length of ribbon, ribbon is hung to form the backdrop. Classy and budget friendly!