I hear what you're saying,
@mickeyfan0805. It can be a rough few years with all the kids getting older and on their own calendars and commitments.
It might be a situation where as the kids grow up that you and DW might want to resume the camping trips again (just the two of you) in a Class A or Class C and the kids (when you invite them) are welcome to join you and throw a tent on the ground (on their own dime).
I'm here to tell you that these can be some good years for you and DW. Sure you'll miss the kids. Me and my DW go to Gulf Shores and WDW with past memories around every corner. Indeed it might make sense again at some point in the future but your family will have a treasure trove of memories that you will have given them.
Hope you took lots of pix. Put them in an old fashioned photo album for each one someday.
Bama Ed