I noticed a crack in the window of the front door and another crack in the front door itself sometime in 2014. 

I can see them being vindictive about it and taking it out of my deposit (oh, I got a sternly-worded email from the male leaseholder about the stringent cleanliness specifications of getting my deposit back after he issued the 30-day notice, too).Thank you in advance for your help.

To go noticeably lower, you’ll need to go west beyond Manassas/Gainesville and toward Warrenton, Front Royal, Winchester, or south toward Fredericksburg.

Notice to cure or quit for lease violation(s).

You'll also want to ensure you have a good property manager to look after the upkeep of the property if you are not there to notice anything deteriorating or which may need attention.This article goes into a lot of the considerations about whether to form an LLC or not: https://www.mmpph.com/wp-content/uploads/2019/04/May-2019-newsletter.pdfCreating an LLC in California would cost you a minimum tax of $800 every year.

First tenant moved out when he purchased a home and found a great tenant within the month he gave notice! 

2) Would 30-day notice +/- a week or two be sufficient?

Either way if you serve them with a notice to quit (which is not the start of an eviction, but is a necessary step to eventually filing one) you will find out which it is because if people who fall behind never get back on track in my experience. 

I would give them a notice of termination ASAP. 

I can't help but notice your expenses are highers than your ARV (after repaired value) and I wasn't sure if you are wanting people to pick apart the calculator or this specific deal.