Here is one of the tools that you use for estimating. Invite subcontractors or material supplier to price the scopes of work you are working on.
Track you bids with this status report document.
Here is a simple time card template.
Invoice template that you can customize to fit you needs.
Here is a per layed out cover for binders.
Here is a per set up Fax Transmittal Cover Sheet for you to custimize of your company or personal use.