This is the part that has vents and the glass doors are attached to it. 

I am planning a new over-and-under duplex build and want to use the best methods to reduce sound transmission between floors.I read suspending drywall on resilient channel attached to Sound Isolation Clips from the floor joists are a good way to reduce vibrations to the lower floor.

YES (Copy is attached)______ NO2) Environmental - Do you have an existing report(s)?

Something I forgot to mention before:  I have seen toilet and sink connectors, and washing machine hoses, that have a valve in one end that are supposed to shut off the flow if the attached device starts using "too much" water. 

If you default on the credit cards the worst thing that can happen is they will get a judgement against you and likely attach it to your house that will be due on sale.

If you're just trying to find some good cash flow and aren't particularly attached to where it is, just hearing where other folks are buying might solve the whole thing for you.

Even if you put systems in place for online rent collection and find a vendor to handle regular maintenance and emergency repairs, it will be stressful simply because you are so far away and you have a personal attachment to the home. 2) You admit your profit from renting it out is "razor thin".

I believe it’s 35 year fixed... but a lot of strings attached

I'm attaching picture of relevant section in title.

It looks like it is attached to the decorative metal scrolling on the porch railing, so even though the image is grainy and dark, I don't think there is any damage to the property.Before approaching the upstairs tenant, I will have a face-to-face conversation with the downstairs tenant.