Clothing options are limited and much more expensive, particularly if you're of above average height and weight. More often then not my clothing purchases are at full retail price because otherwise you have no choice. Sales are for stock items and, because of the limited supply, most big and tall items rarely last long enough to go on sale.
Height doesn't come for free, it requires additional mass and volume. That equates to higher stresses. Shoes and clothes wear out faster. I have to purchase a couple pairs of jeans a year because the knees are constantly tearing out when I kneel or squat which I have to do a lot because I'm tall and our world wasn't designed for tall people.
Medically speaking our bodies are under higher stress which results in more injuries and joint problems. We require higher dosages of medicine. Any special medical prosthesis will cost more. Anesthesia is charged by amount used. Etc...
Lets talk about cars. Immediately discount any econo class car because they don't fit. So regardless of what I want to spend or can afford, my minimum price is set higher.
I'm not sure an extra $800 a year covers all that.