Seating chart

How would you do this? You don't know who can attend and who can't. You will end up with large gaps at tables or too many tables.

I recommend NOT doing this. Your seating chart at the time of sending out invitations would be under the assumption that everyone invited is planning on attending. Once you get actual RSVPs, you will have to go back and redo it if you get people who decline. Guests don't need to know where they're sitting until they get to the event anyway. If they know ahead of time, some people might also try to persuade you to move them to a different table.

This doesn’t make sense and doesn’t work logistically. The escort cards (much easier on everyone than a seating chart, and cheaper for you to assemble without expensive reprints from scratch) are done when the final tally of guests attending is made. Some guests may not be able to make it though 100% attendance is common.

Why would you want to do this and how could you even if you wanted to? For one thing, as PPs have said, you are going to need replies before any table arrangements are made. Your guests don't need any advance notice of where they will be sitting. Last minute changes and adjustments are very common as well. I agree that you don't need the hassle of people trying to convince you to change their seat. I've never heard of anyone wanting to do this.