Large cash deposits have to be sourced and paper trailedwhether doing a purchase or refinance transaction. One of the things lenders are required to do is source all money used in a transaction even funds not being used for the transaction.

For example if you’re making $5000 a month and you get a deposit in your bank account for $50,000, that $50,000 would have to be sourced and paper trailed: by providing an executed gift letter and bank account  showing person gifting the money had the ability to do so, as well is a copy of your updated bank statement showing the money going into your account, additionally, a copy of any get the money check front and back would be required.