Either my barber is bad or I gotta ask better

So I go to this barbershop near my home where all my Nepali gang friends go too. They're quite affordable for_ this day and age and are friendly-Also quite gossipy but that's a whole different point. For the last three haircuts I've asked them to give me a sharp fade which is that sharp shaved line on the scalp tha usually but not always lies on the fade-point 'aka the boundary between different levels of hair trim. And every single one of those occasions they've made it like they understood my request but didn't do it.
 

And by the end I've always been far too embarrassed to ask them to do as initially asked.
 

Friend SK, who also goes there, pays exactly the same money I do, but always comes out with a better out than I do, tells me that he realized the quality of the barbers there is quite variable. There's one barber... and only one(!), who knows what he's doing. He'd told me to ask for Dave but I was a bit shy about asking for him when I went-Which was a mistake because there was a queue of two people before me, and they were both waiting on Dave. Clearly this guy is the favourite of clients at this hair cutlery and I've never had the opportunity to get my hair trimmed by him.
 

So once again I didn't get a sharp fade, once again I got a mediocre haircut for the same price as an excellent haircut. I had been looking forward to this for quite a while, and they didn't even trim my hair as short as/wanted. I asked twice to make it quite short and explained I wouldn't mind if they ever cut it too short. The disappointment was pretty rough since I'd built up the haircut so much.
 

When I got home, after a nice hot shower I took vengeance upon my hair. By sharing my own sharp fade lines. But I didnt have the tight razor or the template so it was pretty bad. To make up for it/shaved a bunch more of my hair on that side, and then the other side to balance things out. The errors kept on escalating. By the end of this, the two Sides were uneven, and my left side now looks like an alien haircut from the 1970's. The right side is OK. A K and E D think it's fashionable.