How many times have you been out shopping, found something you really like, but are torn on taking it to the cash?  Maybe you've been shopping a little too much lately, or perhaps you just aren't sure if the item is 'the one' for you.  How do you determine whether or not you should purchase something?

For me, I think about something similar in my closet, and whether I love that or the piece I'm coveting more.  If it's the latter, I buy it.  

Read on to see what some of my most stylish friends--whom are mainly bloggers--responded when asked how they decide on a purchase...