Whether you're eye-balling a new OLED TV or upgrading your home office, the My Best Buy® credit cards are likely on your radar. While the rewards look tempting, these cards come with specific rules that can make or break their value. 1. The Welcome Offer: Go Big on Day One

: On a $2,000 appliance, 15% back equals $300 in Best Buy rewards certificates. 2. Rewards vs. Financing: Pick Your Perk Every time you shop at Best Buy , you'll face a choice.. Best Buy Credit Card: Rewards & Financing

: You must choose between earning rewards or using promotional financing; you cannot do both on the same purchase.

The Ultimate Guide to the Best Buy Credit Card: Is It Worth the Sign-Up?