I've got two bum shoulders right now, so I can't mow my lawn. There's a kid across the street that I'd like to hire to do it, but I have no idea what the going rate is. It's not the whole yard, just two small 10'x20' patches of grass; one out front and one out back. You can knock out both in less than ten minutes. Would ten bucks be a fair price? Or would he just point and laugh?