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://bcpportal.bcpcouncil.gov.uk/forums/general-discussion/77db04b0-fe9d-ef11-95f5-6045bd11e914https://bcpportal.bcpcouncil.gov.uk/forums/general-discussion/77db04b0-fe9d-ef11-95f5-6045bd11e914
https://bcpportal.bcpcouncil.gov.uk/forums/general-discussion/1f308738-fe9d-ef11-95f5-6045bd11e914https://bcpportal.bcpcouncil.gov.uk/forums/general-discussion/1f308738-fe9d-ef11-95f5-6045bd11e914
https://support.google.com/admanager/thread/306639275?authuser=2&hl=en&sjid=4122238971688437069-NC
https://support.google.com/admanager/thread/306630417/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/306629109?hl=en&sjid=18355595444409333423-NC
https://support.google.com/admanager/thread/306629109?hl=en&sjid=18355595444409333423-NC
https://support.google.com/admanager/thread/306628869?hl=en&sjid=18355595444409333423-NC
https://support.google.com/admanager/thread/306629185/%C2%BFc%C3%B3mo-hablar-con-un-agente-en-%F0%9D%94%BC%F0%9D%95%A9pedia?hl=en