Your bid proposal should clearly express your interest in and highlight your suitability to the project you are bidding on. It can be hard to stand out from the crowd, but follow these tips to write an attentiongrabbing bid.Current Bidding Opportunities. Our free and fillable freelance proposal template that can be customized to your needs in minutes. Edit, deliver, and track your proposal, then get approval. To write a successful bid, I ensure to personalise each proposal, highlighting the specific skills that align with the project requirements. Listed above are bid opportunities currently available with CADA. In order to obtain the bid documents, click on the project(s) of interest.