Using fake cashier’s checks has become more common on websites, such as Craigslist. Please click this link to read more about fraudulent checks and how you can protect yourself:
https://wallethub.com/edu/cash
Another link that will give you information about a Cashier’s Check Overpayment Scam that has become more popular: https://www.snopes.com/fact-check/cashiers-check-overpayment-scam/