Water leaks are a big deal, I would act as quickly as possible. 

It keeps each set of books separated and allows for quick analysis of each building.

Quick google search on Texas rules around entering YOUR rental property: "In Texas, landlords are required to give tenants reasonable notice before entering their rental property for an inspection, but the law doesn't specify an exact timeframe. 24-48 hr. notice is generally considered appropriate.

It will help you analyze deals quickly but you will likely need to adjust some of the figures such as rent, % towards vacancy/cap ex/maintenance.  

They can also look into local workforce development programs that might help them find new employment quickly.

So, once you start finding actual deals and can easily present them as deals to others, you can decide whether to:1) Wholesale for quick cash.

Repairs would generally be for costs <$2,500 using the de minimis safe harbor. 

I would add that you should definitely checkout some local real estate meetups as that's the best way to quickly build a buyer's list. 

No, they are swept up in get rich quick scheme that is Bitcoin.

However, it’s important to ensure the area is safe. in those areas I would recommend checking local crime statistics on SpotCrime. you can use this link for an example,to get detailed information: https://spotcrime.com/map?