Even though you really want that new high-def plasma TV with the booming home theater system, $5,000 smackers might sound a bit too rich for your pocketbook at the moment. So why not use a "same as cash" offer to postpone paying the debt for 90 days or maybe even 24 months? Sounds quite appealing on the surface, but the truth is "same as cash" offers can really have a negative impact on your credit score. Here are the two main reasons why: