Freelancing is nothing but doing business online and now-a-days most of the companies in order to save money prefer hiring freelancers from around the world to get the work done.
This should be the vision for any freelancers:
"Our goal should always been to guarantee that the client gets a 100% satisfaction from whatever tasks they may require us to do"
Clients are doing business without knowing you in person, without seeing you and its just a online communication through email / chat. So its very important that we stand to the level of their trust and take the business seriously.