It can be easy to get lost and confused during the home buying process. Proper planning is paramount. It's also helpful to learn from other people's mistakes. Here are some of the most common errors people make when shopping for a new home.   Not budgeting for everything: Yes, this sounds obvious, but many people forget about some of the costs of buying a home. There are added costs such as furniture and appliances, DIY projects, moving fees, or your first mortgage payment. This last one is especially important-setting a budget may help you determine how much you can comfortably afford to pay for your mortgage.   Neglecting your credit score: Your credit scor...