https://www.ownedcore.com/forums/showthread.php?t=1081881&p=4552658#post4552658

https://www.goodreads.com/topic/show/23061295-step-by-step-how-do-i-avoid-expedia-cancellation-fees-fee-polic

https://forums.windowscentral.com/threads/%F0%9D%90%87%F0%9D%90%A8%F0%9D%90%B0-%F0%9D%90%9D%F0%9D%90%A8-%F0%9D%90%88-%F0%9D%90%AB%F0%9D%90%9E%F0%9D%90%9C%F0%9D%90%A8%F0%9D%90%AF%F0%9D%90%9E%F0%9D%90%AB-%F0%9D%90%A6%F0%9D%90%B2-%F0%9D%90%84%F0%9D%90%9A%F0%9D%90%AB%F0%9D%90%AD%F0%9D%90%A1%F0%9D%90%8B%F0%9D%90%A2%F0%9D%90%A7%F0%9D%90%A4-%F0%9D%90%9A%F0%9D%90%9C%F0%9D%90%9C%F0%9D%90%A8%F0%9D%90%AE%F0%9D%90%A7%F0%9D%90%AD.541232/

https://superuser.com/questions/1883846/policy-updates-how-strict-are-american-airlines-with-pets