Meth production houses actually have been proven to environmental hazards. 

, RSO = Range Safety Officer?

The home inspector would check everything including the roof, plumbing, heater/furnace, attic, safety issues, radon and many more things. 

If you do keep them, I would also advise taking them to a gun shop to get checked out for safety to ensure they are actually in operable and safe condition for use.

I would say there needs to be some substantial deficiencies in safety/function to really make it worth the cost to rewire the house.I am a contractor in the Dallas/Fort Worth area that exclusively works with investors.

Based on the fema web tool it is a minimal flood hazard, Zone X. 

As previously mentioned leverage adds risk but if you use it properly it also allows you to grow your cash flow which can increase your margin of safety. 

You need to have a lead inspection done and have a licensed deleader use that inspection report to correct all the lead hazards to the current laws.

Orleans St is a definite no-no in terms of safety.

We also have $150,000 equity in our home as a safety net.