My clients do this all the time and I only do this with their knowledge and approval. We go from offer to offer using the same check, never opening escrow until we are ratified. Depending on where your friend is in Virginia, it may be hard to win a bid as some areas are very active with a low inventory. When representing the buyer in a short sale, I use a promissory note due upon third party approval. A check would be needed to open escrow when the bank approves the short sale.
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Reneé