Best way to learn chords

[manducator]

I can spend 2/3 hour per day just on chords no problem if that's what it takes

If you have that much dedication, it won't take you long to get through this:

http://www.musictheory.net/

After doing this course, you'll know lots about chords, chord progressions and how to start your own progressions.

Here is the downloadable version (click 'downloadable offlinde edition'):

http://classic.musictheory.net/