FTA: For followers, it is a way to make sense of sickness and poverty. It can feel empowering and inspiring amid despair. The hard-up donors are often not oblivious to the preachers' personal wealth - though they may not know the extent of it - but they take the riches as a sign of a direct connection with God. If seed payments have worked for them, maybe they can work for you too?

And if the seeds never flourish? Some are told their faith is not strong enough, or they have hidden sin. In Larry's case, he often interpreted small pieces of good fortune - a gift of groceries from a neighbour, or the promise of a few extra hours of work for his wife, Darcy - as evidence of fruition.

He estimates he gave about $20,000 to these operators over the years. A little here, a little there. A few years ago, he started tallying it all up. The list is like a who's who of all the established players, including those who have made headlines for their lavish lifestyles - those such as Kenneth Copeland and Creflo Dollar, who have asked followers to fund their private jets.