Banks make profit and generate revenue by two ways:
Interest income is the highest revenue and profit generator for any bank.
To earn money!
Credit Union Bank tellers earn the same salary as bank tellers.
stole the money at the bank
You can earn interest.
by flighting overseas to get the money from the bank
No. Money deposited in checking/current accounts do not earn any interest.
Well, you go to a bank because you can earn interest for the money you made.
by making money on the interest that they charge on loans and credit products.
The bank would deposit a portion of the money with the central bank and then think of ways to lend this money and earn an income out of it.
The money you deposit into your account is an obligation for the bank to be paid to you anytime you want. The bank would lend this money to its other customers and earn an interest income from it.
You earn an interest by depositing your money with the bank either in your savings account or through a fixed deposit. The bank grants loans to other customers and earns an interest out of it. Since it is your money they are using to give off loans, they share a portion of the profit they earn with you by means of an interest that gets paid out to the deposit customers.
No, you can still earn money. You just won't get any physical money in your bank account until you make AdSense account.