Well personally, I think increasing your clean fee by an excessive amount would put off potential guests. A reasonable person would not be turned off by a charge sheet. Think about it...I have spent a lot of time searching for a large house (like yours) that accommodates my large family traveling from different parts of the country to get together.
I then see your dates are available, the sleeping arrangements work, etc. I want to go ahead and reserve. So now I ask to see your rental policies, etc.
The LAST thing I am going to do is begin my search all over just because you have additional charges for hours of worth of extra work (which violate the rental agreement). Because I know I am able to abide the regular "depature checklist" - I would have no problem.
I am most definitely not going to book another place that I am less happy with, or that costs me even more in rent, because you are not willing to spend free hours cleaning up after my group.