Where should I setup a bank account in Frankfurt?

"Before retiring in Frankfurt, expats should familiarize themselves with the local language, as most people in the city speak German. Expats should also research the cost of living in Frankfurt, as it is one of the most expensive cities in Germany. Additionally, expats should look into the healthcare system in Frankfurt, as it is important to have access to quality healthcare when living abroad. Finally, expats should research the local culture and customs, as this will help them to better integrate into the local community," remarked another expat in Frankfurt, Germany.