One of the virtues of electric mulching lawn mowers is automatic start-up: no yanking on a pull cord, as with gas-powered lawn mowers. But these electric mulching lawn mowers go one step further in convenience: they're cordless, so you don't have to worry about tripping over a cord (or worse, cutting it). Still, they're not for every yard. Discover the circumstances in which cordless electric mulching lawn mowers are ideal....