Someone asks you to co-sign a loan. How to reject & say “no” nicely or politely?
I'll take an alternate route: honesty + humor. Say something like this with a smile and a laugh, like you know they're crazy, but they maybe don't know it yet. "Are you crazy? Co-signing a loan can put us both in a lot of potential danger. First, you shouldn't get a loan that you can't afford/attain on your own, and second, I'd be crazy to agree to be liable for a loan that someone else can't get on their own. You want something bad enough, you get your credit rating in order, or you save up the money - that's how I bought (my car/house/trip to Geneva). I'd be happy to point you in the right direction if you want to put a plan together." You're offering help, but not the kind that puts you in danger. Declining to co-sign a loan can't damage your relationship with this person as much as failure to pay will.