1) First and foremost, you need to check that whether the broker owns a physical office or not. Take some time out and pay a visit at his office. When you meet them in person, it really helps them in building a healthy relation which can prove fruitful in dire straits.
2) Always make a choice for the broker who offers good customer service. He should be contacted through telephone or email. If you have any query then he should be able to reply it.
3) If there is a special deal that is offered by the broker then make sure that you ask the conditions associated with that deal. Make sure that you evaluate that deal and find out that whether it will be beneficial for you or not.
4) The broker has to be sincere and dedicated. He should be able to find the best price for you.
When you have a capable Calgary mortgage broker at your side, it will certainly help you in getting the best price possible.