Proposal color reviews consist of a disciplined, logical process to bring an RFP response to completion in winning form. Download now, collect bids, and select your contractor.Share 8 professional bid proposal templates and samples guaranteed to boost your odds of winning clients. Bidders must complete and submit a signed original of each and the applicable number of copies of each with their Bid. 15. Highlight your experience performing this type of work, maybe quote a former client, if possible.