tips to make returns easier. >> i think sweaters are dangerous. i mean, i don't know this for sure, but my anecdotal research is the biggest returns are sweaters. >> what about slacks? >> very difficult. how do you know someone's waist? none of those unless you really know the person. returns during the holiday can seem daunting. others have very strict rules that can make returning things frustrating or impossible. here's what you need to know before heading back to the mall. do not open the box. smile and thank grandma, but do not open the box. don't remove the packaging on any gift you don't want especially for electronics. you risk a restocking fee if it isn't intact. keep those gift receipts. and you can remind grandma to give you a gift receipt, but be careful not to throw them out