My biggest hinderance is getting a phone number that won't cost a fortune to call people in US or abroad from Canada. some Canadian telecom companies absolutely adore ripping people off when it comes to dialing other countries as if we were in the 1980s.
Basically I want to approach my customers with a call me number that won't cost them a lot and won't cost me a lot to talk on.
I'm still reading through this wonderful guide it is ripe with useful information.