In Irish law, busking is considered vagrancy - you can be arrested for it. It's risky asking people for money in public. So it's not like it's a high-art job. And people who do it as a high-art job make very little money.
“A great song can make a terrible singer sound good, but a good singer - you put a great song on top of that, you're really in great shape!”
“Keep the faith, don't lose your perseverance and always trust your gut extinct.”