If you find a remedy I would greatly appreciate!!!

It ended up costing me an additional $3100 to remediate, won't make that mistake again.

There are other remedies that may be more fitting, less expensive and quicker for you, depending on the situation that lead to a tenant's non-compliance with your lease agreement.I too have never heard of a landlord charging a tenant for sending a compliance letter.

She'll make it seem like you are trying to shake her down for some extra cash.Make sure you have well documented evidence of what you spent to remediate or cover the portion of the work she didn't complete properly. 

What are costs for inspection, remediation of possible issues, and maintenance that should be considered?

Real Estate Remedies) - and it has been confirmed as a name that has not be registered in my state.

What went from a $40-50,000 renovation turned into what could be a $100k one to remediate, fix the leaking basement, all the mold, and the structure...

Its both challenging and rewarding.You mentioned negotiating through what may be a poor performing realtor; is this a situation that is remedied by "advising and assisting" the realtor through the process?

They were able to remedy the issue within two years of implementing their strategies.I would not worry running out of water in Arizona.  

Any uninhabitable condition caused by the tenant or persons under the tenant’s direction or control does not constitute a breach of the warranty of habitability; in such a case, it is the tenant’s responsibility to remedy the condition (Real Property Law §235-b)Seeking Rent Reduction — If a landlord breaches the warranty of habiltatilityitability, the tenant may sue for a rent reduction.