You want a naturally low-effort dog
Short coat does not mean low effort. A Boxer usually needs exercise, supervision, training, and routine more than people expect from the easy-care look.
The dog would spend long days bored and alone
A Boxer that does not get enough company or activity can become harder to live with fast. Boredom often shows up as jumping, chewing, noise, and over-the-top energy when people finally come home.
You need a dog that handles hot weather easily
Boxers are flat-faced enough that heat deserves real respect. Warm-weather walks, yard time, and exercise plans need more care than they do with many longer-muzzled breeds.
You want to ignore breed-linked health risk when picking a dog
several Boxer health concerns, including cancers, heart disease, GDV bloat risk, hypothyroidism, and cruciate problems. If you want the least emotionally and financially risky health profile possible, this may not be the easiest breed to live with.