How to Lose a Deposit: Unmet Conditions Can Sink a Real Estate Deal By Barry C. McGuire on October 8, 2017 Email this postTweet this postLike this postShare this post on LinkedIn Podcast Episode 107. The notion of doing or accomplishing your own Due Diligence is what allows you to make a buying decision. Will you buy or not buy? In this Tale, a deal falls through because of a lack of diligence regarding financing conditions.