For bridal showers, baby showers, birthday parties, etc. Have the Maid of Honor write the gift giver's name on a label and stick it on the box right after it's opened. Like this idea so they are not writing non-stop and they can enjoy!
Policies can vary, so check with the store in question first, but it prevents the hassle of owning three George Foreman grills and/or ending up with store credit at a place you'll never set foot in again.
NUMBER your RSVP cards because some people write a no where they should put their name and you have no idea who it is! Once you get them back in the mail, go into your excel spreadsheet and mark them coming or not coming. ---SUCH A SMART IDEA!