This collateral agreement template is what you need to secure an item of value as collateral for monetary debt. In this video I'm going to show you how to do a purchase and sale agreement and an assignment agreement all together.You can use this wholesale real estate contract template as a baseline when creating your real estate purchase agreement while evaluating a property assignment. Looking for a Wholesale Real Estate Contract Template? Community banking at its finest. Generate a free collateral agreement with Jotform. Easy to customize and share. Generate a free collateral agreement with Jotform. Easy to customize and share. A The San Jose Development Corporation of San Jose, California.