Make sure your contractor is fully insured for workplace injuries, liability, etc.

No harm no foul Jim. 

There are too many decision makers outside your control who can harm your obligations to your tenants.  

But like buying a lotto ticket, if the possibility of "winning" makes me happy and excited, then what's the harm done?

No harm there.The other buyer's initial attempts at financing fell through and so I came in with the same offer but much more solid terms (BIG earnest $ amt and no financing contingency) and so the seller dropped guy #1 after the due date was reached and signed my offer.I have the money to buy it all cash, but I really don't want to.  

Try googling the term "house hacking" and you will understand.I meant no harm and sincerely do hope you use the resources on BP to better yourself and your investing career.

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.

No doubt this thread has done much more harm than good for REI Reply.

He may come back to harm her.

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.