Tip-
Don't bring a bag that has to be checked.
A- there's a fairly high probably they will lose your bag.
B- there's an even greater probability they will mishandle your bag and damage something.
C- you save money.
D- you get into and out of the airport MUCH faster.
I can fit everything I need for a month in a duffel bag that fits in the overhead storage.
So can my wife.