There is of course the valid argument that when buying this way, you could harm the seller in the event you did not make the payments.

If you put in your lease agreement there may be issues with the windows, and how the tenants can avoid harm you should be covered legally but you should replace the windows overtime.

Also if your replacing your floor coverings with anything else than more carpet you're most likely not going to be able to paint the baseboard completely (at the bottom) with the carpet still there. if subfloor is the only thing underneath the carpet then what harm is there in getting the dirty carpet out first?

My problem is when I go to click on a monthly plan, my browser tells me it's potentially harmful and the license does not match up with the site it is taking me to.

I doubt it's going call attention to itself in a way that could harm you. 

Conversely, she can harm her credit if she pays late again.  

You can verbally give them a no harm no foul promise...not to charge the lease break fee if the place is rented w/o cost to you (in which case they may even bring you another tenant).

Here are the phase-out ranges for 2018: For single taxpayers covered by a workplace retirement plan, the phase-out range is $63,000 to $73,000, up from $62,000 to $72,000.For married couples filing jointly, where the spouse making the IRA contribution is covered by a workplace retirement plan, the phase-out range is $101,000 to $121,000, up from $99,000 to $119,000.For an IRA contributor who is not covered by a workplace retirement plan and is married to someone who is covered, the deduction is phased out if the couple’s income is between $189,000 and $199,000, up from $186,000 and $196,000.For a married individual filing a separate return who is covered by a workplace retirement plan, the phase-out range is not subject to an annual cost-of-living adjustment and remains $0 to $10,000.The income phase-out range for taxpayers making contributions to a Roth IRA is $120,000 to $135,000 for singles and heads of household, up from $118,000 to $133,000.

My far does a lot of commercial office / workplace design and renovation. 

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.