First of all, sorry if this is classed as spamming, but this is a genuine guide which many people could benefit from. If this is not accepted here then please remove.
Just a quick (but very useful) guide I created on how you can easily gain 100 YouTube subscribers per day, the more time you put in, the more subscribers you can get.
You will gain subscribers as soon as you start!
100% Legit method, not against YouTube terms of service.