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     Well here's the deal... I have my patent in hand and have been solicited by a couple of Mrktg firms wanting considerable up front financing on my part ,to grt them engaged to start the process.  What is the best way to get this done safely? Seems to me that it's the" upfront" part that is risky for me and my bankroll.       Have any of you out there been here and done this and can you shed…