2 sales for every 100 detailed estimates left on a door?? A lot of time and effort for not a whole lot of return...
I suppose if you've got nothing better to do....
"The Poor Fish" circa 1930's: The Poor Fish wouldn't have been caught if he'd known enough to keep his fool mouth shut.
"Opportunity is missed by most because it is dressed in overalls and looks like work"- Thomas Edison, businessman/inventor