Slow processing time: When customers come to the bank, they often expect to be served quickly and efficiently. However, bank tellers often have to handle multiple transactions and customers at the same time resulting in longer waiting and processing times.

Complex transactions: Banking transactions can be very complex and require highly qualified teller skills, along with the ability to clearly and convincingly explain to customers. This requires tellers to have good skills and knowledge of the bank's products and services.

Complex systems and documents: traders often have to deal with many types of documents and use many different systems to complete a transaction. Using complex and unfriendly systems can be difficult and stressful for traders.

Waste of time and effort: When going to the customer's house to advise the customer and make a transaction, the teller has to go back to the bank branch to be able to perform the customer's transaction.

High customer flow: Banks often have a large number of customers coming in and all of them expect to be served quickly. Therefore, tellers often have to work in noisy, busy and high-pressure environments.