I've been using MacBooks for many years and I love them. BUT it's amazing how many problems they have compared to how expensive they are. I have a problem with

I've been using MacBooks for many years and I love them. BUT it's amazing how many problems they have compared to how expensive they are. I have a problem with a battery with my Mac now. I've had problems with screen with my last Mac. My coworker has issues with keyboard. Investment? As in penny stocks or junk bonds?