Ask any savvy business owner and they’ll tell you that a significant proportion of their profits come through their mailing list. That’s no secret. If you’d had a pound for every time someone spouted that bit of wisdom, you’d probably have so much money it would make the Queen blush. But while everyone understands that the money is in the list, not everyone realises you should be building multiple lists. So let me ask you – how many lists are YOU building? Here are the three lists you should be building as a bare minimum…