I also install fire detectors, flood sensors, and carbon monoxide sensors all linked to the alarm system to provide additional protection for my property, tenants, and myself. 

What special rules do I need to follow (e.g. proper number and placement of smoke detectors and carbon monoxide detectors) that might apply to a rental property that don't apply to a primary residence, or where can I find these rules?

We are working hard and doing well in the single family flip market but im trying to develp a plan i can put into motion for larger multifamily in the next 6 months while we continue to do flips on single family to build capital.

For now I guess I will just wait to see if they ask to break the lease and then go from there with the motions.  

West Virginia's issues "Tax Publications" which lists what is subject to sales tax, and I don't see one for the type of transaction you're talking about, see: West Virginia Sales tax You go down the list of businesses and transactions involved, including motion picture, pharmacies, travel services, etc.

All that aside Home Depot sells 10 year built in lithium powered smoke detectors for 24$ where the battery is not removable and put it up as high as possible screw it directly into the wall instead of a spin off plate so it can’t be easily taken down

The oils are messy if spilt but the major issue is it will set of smoke detectors.

Vaping sets off smoke detectors...

I’m very new at this, and for motivational reasons I am kind of just going through the motions and learning as I go along.

The motion to vacate will likely be granted and you'll likely lose your deposit, but should get your balance back.