Don't exchange the frying pan for the fire. So let's say you at least enjoy the lawn care business. I assume you live in a suburban area. Lawn care services are thriving these days, as many busy couples find they have neither the time nor the inclination to tend to their lawns on weekends. Targeting new neighborhoods might help circumvent this problem.
New homeowners have no loyal ties to existing services.
You don't need corporate experience to run a profitable business. To find entrepreneurs to talk to, check what groups are in your area. Try the local chamber of commerce. Find out if there's a local operation of National Small Business United , an organization targeted to small-business owners. Try reading these helpful articles.