For first time home buyers, there are numerous steps to take in the home buying process. One of the most critical steps is getting a mortgage pre-approval. But what is that exactly and how long does a mortgage pre-approval last? Here’s everything you need to know if you’ve received a mortgage loan pre-approval letter in the mail. What is a Mortgage Pre-Approval? If you’ve been successfully granted a mortgage pre-approval, congrats! This is one of the most important steps you can take in purchasing your first home. A mortgage pre-approval is when a loan officer reviews your debt, income, credit, and assets and determines if you’re eligible for a mortgage…