I started a thread about this myself once, I had always used cheap big box store punches and chisels and they would always let me down immediately. Many times using "mid-tier" punches and they'd be useless before I even got done using them for the first time.
During one particularly frustrating project, I had decided I was done with home depot punches. I bought myself a nice set of mayhew punches. Huge difference, just used em yesterday. They've already payed for themselves when I think about how much money I wouldve spent at home depot if I hadn't got them.
I have heard mention of there being a basic mayhew line, and then a mayhew pro line. However when I got mine all that I was able to find available for purchase was the pro line. It seemed to me as if mayhew is only making the pro line now? It might have just been a coincidence so it's still something to consider