That means that the fee, once it is paid, is non-refundable, as costs were incurred on his behalf.Furthermore, Ryan D (not even a client and does not know what he is talking about) suggests that the 20 minute call costs $100.

Should you offer them a choice of yearly lease, 6 months lease, or month to month, and if so, would you charge a different monthly total rent for each choice(ie yearly monthly rent $600, 6 months monthly rent $610, or month to month monthly rent $625?)

If your plan requires the unit to be renovated and rent increase, then that is what you have to do.It may seem cruel, but he's an adult and made life choices that result in him renting.

Wyomingagents.com is another choice.

That your choice to invest their money in your new tile floor was the best possible use of their money, instead of any other possible waterproofing measures?

@Ryan Cleary, this is pretty black and white to me - I would say no. 

Carrot or the stick, their choice. 

This will ensure you have a choice and can pick high quality tenants. 

Those are your problems with your choice of crew.

I legally have a choice if I want to do Real Estate under the commission and their rules as a Realtor or under US law via Contract Law.