Look at the construction of the controls. Plastics are fine as long as they are protected. Look closely at the front axle as well as the ease of sharpening the blades, checking oil, air filter, battery, and filling the gas tank. Ask yourself if you will be happy in 3-5 years with your choice. Ask for other customers that have purchased similar units.
Great yards start with great care.
Try this simple yet effective 4 step program. About 30 days after the first treatment, apply a fertilizer with weed control to keep the weeds in check. These areas are simple to solve once pinned down. So by watering more, you may be putting your yard under even greater stress. Individual plants have certain minimum requirements for light, water, nutrients, carbon dioxide, and oxygen, which must be met in order to survive.