Much more than three, more like ten.
At least I understand the $100 million spent on the May 21
billboards may not have necessarily be financed by donations from believers—some, yes, but not all. Tom Taylor’s radio-info.com column says Family Radio’s sale of a couple radio stations was a big part of the billboard rentals, etc.
How were those stations acquired in the first place - through donations by believers. The news was full of people who spent their life savings paying for bill boards and advertizements and today have nothing but the shirts on their backs.