A littel bit about how they finance themselves: http://www.chron.com/disp/story.mpl//5716417.html
“The money came from Warren’s milkers. It’s like he’s got electric milkers on a bunch of dairy cows. He’s got all these people, and he’s milking them for all they’re worth,” said Richard Holm, 55, a Utah businessman who left the sect years ago after contributing more than $5 million in cash and property. “The Texas compound is supposedly for some of the elite that were culled out of the common folks and riffraff who were left here to work and send money to the elite over there.”
"Marvin Wyler, 63, is a polygamist who broke with Jeffs several years ago but who still lives in Colorado City, which many residents call Short Creek. He agreed that many families made great sacrifices to build the ranch.
“A while back, even two or three years ago, they were asking $500 to $1,000 a month from each family. And they had scores of men go down there and do the building. They worked for nothing,” said Wyler, who has 34 children by three wives and more than 100 grandchildren.
According to Ben Bistline, a former sect member who wrote a history of the polygamists, Jeffs raised additional millions by selling properties owned by the church’s community trust, called the United Effort Plan, and by persuading sect businessmen to kick in large sums."
"Male sect members are sought by contractors in the construction and home-building trades, he said.
“They are very skilled, hard workers. You can hire them and get away with underpaying them, or in the case of young people, paying them nothing, and giving all the money to Warren,” Bistline said."
Another source of church funds was the profitable businesses that employed sect members, Bistline said.
“There are people in the organization who are very skilled at producing money. There was one business, Western Precision, that did things for the military. That was bringing in millions,” he said. “That’s where the money came for Texas. They’re not making any out there.”
The Fort Worth Star-Telegram has reported that John Nielsen, a former employee of Western Precision, which is now called NewEra Manufacturing, claimed as part of a civil lawsuit that sect members were made to work for little or no wages and that up to $100,000 in monthly profits were donated to Jeffs or the church.
The company has obtained government contracts worth more than $1.2 million in recent years, mostly for aircraft parts for the Department of Defense, the newspaper reported.