Please check out these valuable resources on the mortgage and loan process:
https://www.consumerfinance.gov/consumer-tools/mortgages/
https://www.consumerfinance.gov/owning-a-home/
https://www.consumerfinance.gov/about-us/blog/mortgage-closing-scams-how-protect-yourself-and-your-closing-funds/
Many more on this site: https://www.consumerfinance.gov/