I get a text for every transaction on both my debit card, and my main daily use credit card. Twice now things have popped up and I've been able to resolve them

I get a text for every transaction on both my debit card, and my main daily use credit card. Twice now things have popped up and I've been able to resolve them before the next billing cycle. Most banks, and most card companies offer this - for free. If yours doesn't, you might want to shop around for one that does.