everybody is worth what they charge, and everybody else charges too much.
you're taking heartbeats out of someone's life regardless of the service they're providing.
can someone sell you an extra day, week, month, of time to tack on the end? and how much are you willing to pay?
and as far as landscaping, be it pulling weeds or pushing a mower, how many folks would do it year in and out? talk the talk, then walk the walk. just be careful stepping around the bs, 'cause there's plenty of it.