I'm not a professional teacher and in general I don't want people to give me money for my lessons. But as it's the only real way to do something more than "thank you", and especially when people approach you willing to make a donation, I just can't say "no" and will accept the gesture. If you're willing to make one, there's three ways:
Yes, you support me just by watching my videos, because I do have the YouTube Partnership and have a little income out of that. And be sure all the money will be spent wisely: either on new strings, music downloads or new equipment. Thank you.