200 pound Newfoundland, four years old, 50/month in food, 200.00 per year in joint supplements (I buy the horse variety because it's cheaper), about 200 per year in vet bills. He is a bit clumsy, and has a blown knee that will become problematic over the next couple of years. I will put him down before he gets in too much pain... I refuse to have knee surgery done on a dog this size as it usually fails or stresses the other side too much, causing even more problems.
150 pound Saint Bernard, four years old, 50/ month in food, zero vet bills last year. She is strange though; as a rescue from a Missouri puppy mill, she was severely beaten as a puppy and she acts very weird around new people. I love her the most. She has an extra toe on each paw, and her teeth are all very crooked. I'm sure her future health problems will cost me a paycheck some day.
135 pound Leonberger, four years old, 50/ month food, zero health problems last year. Another rescue from a Missouri puppy mill, she is less weird, but viciously attacks her own reflection in the windows sometimes. We have replaced one picture window for 200.00, and one sliding glass door for 500.00 that she tried to launch herself through last year. She is indestructible, so no vet was necessary after I sewed up the gash in her ear from the broken glass. I highly recommend that everyone take a dog first aid class from the Red Cross, by the way.
Having three giant-breed dogs is definitely not a mustachian move, and my house is a little over-dogged at the moment. I pick up lots of shit, wake up with hair in my mouth and nose every morning, and wipe drool from every surface and wall in my house. I won't say they are "worth it" because that would be a big fat lie. But, I could not part with any of them and they are great fun.