If you are interested in bank accounts, there is really very little difficulty in setting them up. Have a reference letter from your home bank, your passport and the cash to put into the account. I have two US savings accounts and one chequing account, on which I do not write cheques but use more as a transient account. I am in the same position as you would be. Non-resident with accounts and property in the D.R.
Hope this helps.
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