Stack is great until it's not. Don't let it be your only card. I was in Taiwan and couldn't load the card as they were having trouble with their Interac processor. Luckily I have a UK Monzo card that kind of saved the day for ATM transfers. My Canadian bank charge a stupid amount on ATM withdrawals.
Similar to Chase Amazon: no forex charge. No annual fee.
Pro: Includes roadside assistance and rental collision insurance, 1% cashback
Pros/Cons: Doesn't support tap/RFID payment.
Cons: Application can take forever (not sure about current state).
Cons: Higher foreign ATM withdrawal fee than Amazon (1.5% vs 1%, with similar minimum fee