Nowadays online application facility has made things a lot easier and simpler. But do you have any idea how many ifs and buts could be there when applying for visa? Some countries do allow visitors especially for tourism and business purpose to enter and leave their country even without going through the tedious process of acquiring visa. Moreover there always has been rules and restrictions on anything that comes easily. Knowing each and everything and understanding the practical importance of some, would be daunting provided you are supported by a reliable online visa services provider.