Commercial realtor fees

[Cin Khai]

Hello BPers. I recently closed on a duplex (my first property ever bought) and still learning the ropes. I'm looking at apartments too for my next target and since I don't have much experience and knowledge I'm wondering how much value can I get from commercial realtors.

How do commercial realtor get paid? Do they get paid just like residential realtor 3% if representing buyer side? What are the difference in roles between residential and commercial realtor? How do I choose commercial realtor? Will they help with due diligence and getting documents from seller/broker, etc? Thanks.