Some banks are easier than others - differing documentary requirements, guarantors etc.
Remember where you are. It can be easier to send money to the DR than it is to send money out of the DR. Banking practices and policies can change frequently without much advanced notice. Do not keep more money in an account here than you need and be prepared to lose some or all of it over time - in fees, inactivity or incompetence.
Nonresidents should keep their ears to the ground as their lack of recognized status in this country leaves them particularly vulnerable to the foibles of the system.
For Americans opening an account will require some extra steps due to FACTA regulations.
For some, banking is another frustration induced headache they add to their portfolio of headaches here in Paradise.