If you need YouTube subscribers then the best way for you to proceed would be to look for reliable sellers of the same as this would be the easiest way for you to increase subscriber numbers to your YouTube channel.
Having a YouTube channel with multiple YouTube videos would not necessarily mean you will be attracting viewers immediately which is why most video based marketers concentrate on increasing their subscriber numbers as the entire marketing thing depends upon the number of subscribers that any channel receives.
Videos That Attract Youtube Subscribers
You can create your videos in such a way that your viewers would be inclined to subscribe so they can get to view more content through your channel that is related to what they have already watched. But this would mean more work as well as the need to allow more time for everything to happen in a natural way.
Not everyone would be happy proceeding this way though it is always recommended to make use of all available methods to increase the number of subscribers to your channel. So, while it is a good idea to buy YouTube subscribers, it is also recommended that you do your part in ensuring you get natural subscribers too.
Learn Through Others
You should be referring to websites that provide instructions and detailed tutorials on how you could be proceeding in growing the number of subscribers to your YouTube channel. And if you really must go ahead and buy YouTube subscribers then make sure you do not break any terms of service of YouTube otherwise your channel could easily be suspended and your videos removed for no reason.
You might want to check online for further information on what it takes to get YouTube subscribers and what the right methods would be for you to proceed further in growing the number of subscribers on your YouTube channel.