It seemed that the expense of keeping up a big house for one person didn't make sense.
The difficulty and expense of travel makes visiting almost impossible, even by those families who do try to maintain contact with individual patients.
But only at the expense of making each individual camp a thornier security problem.
Also, other expenses have made cigarettes, which cost less than $1 a pack here, more of a luxury.
Only you can decide if the expense makes sense for you and your family.
Officials said the additional expense would not make it harder to offer the passes.
But the time and expense it takes makes that unlikely.
The industry's high expenses have made collaboration increasingly common.
So about three times as many make it to the colony, at a fraction the expense.
It's still too early, though, to tell if the added expense of solar equipment makes a home more valuable.