You can check rates yourself. We aggregate exchanges and always provide the best to our community.
As implied by the image (snipped), the answer is yes you didn't take any fees from both parties, as the price on said exchange platform is exactly the same as what you put into yours. May I know how do you sustain your company, then? How do and where from your employee (no matte how small the team is) get paid?
It's our successful experiment. We've other types of businesses not connected to the crypto or blockchain. As man above noticed: we've been a private website for a long time for our friends and b2b partners. But one day some men from the hood have disclosed us and we caught ourself thinking that it is a good time to start enlarging this service to something really helpful and big. So for the 1st - social significance , for the 2nd - money.
If you have any tips or pieces of advice - you're welcome.