Which bank has these mythical 5% interest savings accounts? I’m pretty sure that for most middle-class people, savings interest isn’t a real thing and can be safely disregarded when making decisions.
In the US? Ally offers savings accounts with great rates (usually 50% off prime, so currently 4.25%) and in my experience is a fantastic bank. Way better than credit unions I’ve banked with.
https://www.ally.com/bank/online-savings-account/