over the years, i've had my fair share of customers requesting we use a 21" mower. they like the way it looks better, and they are intimidated by the big machines, they think you will damage thier yards, etc. and, i also believe, some people just don't want to see u make $30 by spending 15 min on thier lawn. so, do you think there would be a market for one who advertises that they only use "small" mowers? naturally, it would be more expensive for the client, but, is it worth a shot?