All this is to say that Expedia is a reliable company. However, you’ll always want to be careful when booking with a third party. It may be harder to change or cancel your reservation, and it might be wise to confirm any reservations directly with the travel operator.
Source: https://www.devex.com/people/details-how-do-i-check-in-with-expedia-2079116
https://support.google.com/admanager/thread/306609755?hl=en&sjid=18355595444409333423-NC
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https://support.google.com/admanager/thread/306610726/telefono-%C2%BFc%C3%B3mo-hablar-con-un-agente-de-%F0%9D%94%BC%F0%9D%95%A9pedia?hl=en
https://support.google.com/admanager/thread/306609300?hl=en&sjid=18355595444409333423-NC
https://support.google.com/admanager/thread/306607721?hl=en&sjid=18355595444409333423-NC
https://support.google.com/admanager/thread/306607721?hl=en&sjid=18355595444409333423-NC
https://support.google.com/admanager/thread/306606025?authuser=1&hl=en&sjid=18134559641718713071-AP
https://support.google.com/admanager/thread/306607421?hl=en&sjid=18355595444409333423-NC