It’s 100% automatic and electronically based. The marginal cost of processing any NSF is quite literally $0. Even at $10, it’s 100% profit to the banks.
Unsure if it has changed but in 2018 I was approving and declining transactions manually before 9:30AM that would go through accounts with insufficient funds. Any transaction I didn’t have time to go through before the 9:30 cut off would auto NSF
It’s 100% automatic and electronically based. The marginal cost of processing any NSF is quite literally $0. Even at $10, it’s 100% profit to the banks.
Unsure if it has changed but in 2018 I was approving and declining transactions manually before 9:30AM that would go through accounts with insufficient funds. Any transaction I didn’t have time to go through before the 9:30 cut off would auto NSF