We didn't go crazy with upgrading the repair materials as much as I underestimated the cost of bringing the show on the road.

Material: around $800.00 (Lumber, screws/bolts, etc..) 

Also, I have not found a brand that we could apply ourselves that did not have restrictions on the cleaning material being used etc. 

Have you tested the stain on a sample piece of the same material as the floor?

It is the holes material.

.-  All the material you prepare for banks has to be clean, simple and quickly completed.  

The biggest risk for contractor is most likely the cost of materials.  

Exclusions are Acts of God, insured perils, weather days need to be assessed to the season, lag time of suppliers or materials delayed or not delivered, delays caused by inspectors or regulatory matters beyond the control of the contractor, defective materials and/or equipment installed in the project, normal amounts of waste and other matters depending on the project.About all you can hold a contractor's feet to the fire on, is failure to continue work when work can be accomplished, their mistakes that exceed some agreed cut off (you will have mistakes and waste) worker's conduct or failure to show, work not to workman like standards or torts, such as walking off the job.

Window materials discussions seem to be polarizing and there seems to be a lot of misinformation out there.

Total materials well under a $1,000, labor varies a lot.