Sounds wonderful although I’m already committed during your dates. I did notice that you mention a “perfect sitter will be required to meet before the sitting”. As you yourselves know, from having been sitters, that could be difficult and really only local sitters would do that, unless you offer to pay travelling costs. I would rethink that because people will likely scroll on by. A video call before selecting a sitter should suffice, then having a good handover before you leave.