The banks are going to require you provide an explanation and documentation for where all funds came from for the past several months. Besides they’re going to

The banks are going to require you provide an explanation and documentation for where all funds came from for the past several months. Besides they’re going to be looking at your annual income anyways — one time cash drops are only useful for making a larger deposit. But they’re not dumb enough to use a one-time infusion to calculate your debt to income ratio.