If suddenly your snail mail is full of more wedding invitations than it is grocery coupons, you know wedding season is upon us. According to a recent study conducted by American Express, the average wedding guest spends about $592 on any given wedding. Do you have any idea how many tubes of lipstick you could buy with that?! From travel expenses to bridal showers to bachelorette parties, these costs add up quickly. And weddings hit your bank account even harder when you’re involved in the planning stages.