So invites have been out for about 4 weeks and the RSVP date is May 2, which is Wednesday. We only have 72 reply cards back from the 150 invitations we sent. I thought for sure we would have a ton today, but only got 2. At what point do you start calling? I was thinking Friday, but I have no idea on the etiquette with this. And then what if you can't get a hold of people, do you just assume "no"? Grrrr.... pretty frustrating.