Just make sure that you have enough cash on hand so that if a piece of equipment fails and can't be repaired right away you can pick up a replacement so that you can be dependable. Then you can repair your Craftsman stuff and use it as backup equipment. Your mower needs to provide a good cut in a variety of conditions as well. Will you be able to cut long lush spring grass without making a clumpy mess out of the lawn? Will you be able to take on a new customer with an overgrown yard. It can be challenging to provide professional quality results with homeowner grade equipment.
Exactly what do you have? Riding mower? Push mower? Bagger? String trimmer and blower?