Competitive Sealed Bid: A bid submitted in a sealed envelope to prevent disclosure of its contents before the deadline set for the receipt of all bids. The reference to "competitive" bids means that two bids are sufficient, though there is certainly nothing wrong with getting more.Before submitting a bid, each Bidder will, at the Bidder's own expense, make or obtain any additional information and data which pertain to the physical. Unit Price Bid: The amount stated in the Bid Form as a price per unit of measurement for materials or labor as described in the Bidding Documents. 284.084(2) means that if you are going to bid on a Florida project you need to have an attorney wherever you are write an opinion letter.