Earlier quoted context omitted.
You might get money for your troubles if your flight or luggage is delayed. For luggage being lost the maximum liability is $3,800 for domestic flights and about $1,800 for international flights https://www.cnbc.com/2022/07/19/what-travelers-need-to-know-...
In theory yes, but in practice it could easily cost you more to deal with the airline and it might well be that you don’t have the receipts anymore. With another European airline I recently waited exactly one day less than the three weeks required for them to deliver a child seat. That’s almost three weeks of not having one to safely transport my child, no support or compensation. Since I was returning to my country…
That seems pretty unlikely; the receipts now go to your email where you'd have to delete them intentionally.