Traditionally (not ALWAYS, but still traditionally) the bride pays for the wedding and the groom pays for the other stuff. But do you think the Duggars pay for most of the wedding? It seems like there’d be SO many people they’d have to invite and most ‘normal’ people couldn’t afford a big wedding like that.
Just a guess, but probably the Duggars footed most of the bill for post-Josh/Anna weddings. Between the size and the filming requirements, a lot would need to be coordinated though them. I suspect a lot of the decor and clothing is free, though, as may be the churches they get married at. Not serving meals and no liquor or music probably also greatly reduces the cost, and I bet they get discounts on photographers, cakes, etc. (Mary)