I want to give you some advice. i saw some of your videos and appreciated. you know we(Ehtiopians) have problems understanding and constructing any electrical devices including tv and the likes. your effort to show the circuit diagram on tv made me feel interested. At the the same time i feel that it is inappropriate to show all such tutorial with free, you have to get something. but the price you asked about 1500birr is too much. since certificate on such courses given in person, costs around 3000 birr. so if you want to improve acceptance from your subscribers you should consider to discount the amount, just let say 100-300 birr is good enough.
