You want to carry a backpack. It is way easier to do that than to carry multiple bags.
Everyone carries a water bottle these days. Take yours with you when you travel.
Take pictures of any pictures on your phone of any important papers you might need
Reminds me why it is more important to wheel a cart than carry a shopping basket!
Good point about copies of Important Papers.
[eg: COVID-19 certificate and e-visas]
Water bottles – visible or invisible?