I have experience buying these Chineese parts, very often you end up with a board that is very poorly soldered or even doesn't work at all. At least with a gen

I have experience buying these Chineese parts, very often you end up with a board that is very poorly soldered or even doesn't work at all. At least with a genuine Arduino board you get something that works and is of a reasonable level of quality. When you have your final product you can always make economies of scale.