Banks in Argentina are not like banks in the developed world, where you can freely and cheaply move money around. As Fiscal suggested, you probably do not need a bank account in Argentina, it will give you too much headaches.
A lot of Argentines do not have a bank account (this article says over half:
https://www.google.com/amp/s/www.cl...ecio-brecha-ricos-pobres_0_r1mzAsTkm.amp.html ), there are ways around banks in Argentina.
Cash is king. Bring some dollars when you enter the country, which you will be able to exchange at a much better rate than if you go through banks. If you are out of money in Argentina, wire money to yourself through Western Union or Xoom or similar services, they will give you a slightly lower rate than if you had the money in cash, but still a much better rate than if you go through local banks.