[dev_north_east]

> Additionally: when you're up for buying a house and all the lender bank has to look is the credit score, you will be paying more interest than if you apply for a credit at the bank that has handled your business over decades.

Which country are you in? This has most definitely not been the case for me anywhere I've lived. It's irrelevant if you were a customer with the bank before the mortgage application or not.