is there insurance that can protect my funds given as a depo

If i was to purchase a large amount of electronics from someone, lets say $500K worth and I give them a deposit of $250K to place the order with the ballance due on delivery. I become an un-secured creditor to that re-seller at that time so he can purchase the goods. If he was to go out of business or run off with my money i have no protection. I am looking for protection from such a situation. This is for a new business idea and it is important to make my concept work.