I have never had the IPO be able to get a reservation I cannot get. I have used them to get all of my ADRs at the 180 day mark and had good luck with it getting everything we wanted (except BOG back when it was pretty new and way harder to get than even now). The first time I did that was because I was away at a conference and there was no way I could be on the computer booking at 180 days. It went so well I have used them since then, just to avoid having to be doing it myself at 7:00 AM. But when it's less than 180 days and I can't get an ADR, and I ask them to check, they just say no, nothing available. Then if I ask about continuing to check they say something about putting it on the list, but I have never had that come through. I've always found them myself. If they check at all I think it's once a day. I have found that once you are there you can get better responses from the CMs at the desk, but the IPO has never wowed me. It is nice to have them for routine things, though, so i don't have to wait in the call queue forever. You can just call them and ask your question, etc. I seem to get very generic responses to questions ahead of time, like how gluten free is handled in the lounge, or special events, upcoming things, etc...