Make sure any respondents/agents have the same passion for your listing's reputation and reviews otherwise it can make for a poor situation.

My best Airbnb experiences have been when an owner/family has been the contact. The worst have generally been where there was an intermediary - some have been exceptionally rude. Had one in Milan where a woman just waved her hand mid-sentence, couldn't be bothered answering my second question (do you have the keys so we can lock up when we go out), gave me a set of 8 keys without explanation and walked out. The apartment had no info sheet or anything. Would've taken her 30 seconds to point out what needed to be locked and which key matched which lock. It was lucky that I held her up to clarify because she'd given us a set of keys for a different apartment.