I was recently contacted by the fiance of my fiance's best friend. She asked me if I would be in their wedding. She said "I don't know what everyone will be doing yet but you'll probably be a bridesmaid". While I am flattered that she asked I've only been in the same room as her twice. I felt cornered and told her I thought it was very sweet that she thought to ask and I'd love to.Here's the problem. I'm a college student with NO disposable income. AND I'm already in a wedding next year as a hostess for a friend I've been around more than twice. I know I won't be able to afford to buy everything she'll probably ask for (the dress mainly but also if she wants nails, hair, etc. plus how are the parties paid for?!). What do I do? Do I call and just flat out say I realized I can't because of my budget? Do I call and say I can't be a bridesmaid because of money but I'd love to do something else if she needs it (usher, etc.) I don't want to be rude but I really can't afford this and think it's insane that she'd want me up there when we're not close at all.