We just try to build a safe happy life knowing it could be gone in an instant.

Would the previous owner’s Lead safe test will transfer or if I’d have to get a new one?

Moving forward, a better alternative than hassling yourself and your guests with damage deposits is to just purchase damage insurance through a company called Safely for each booking.

The pump should handle everything a tenant puts into their toilet, but better to be safe than sorry.

I really see Columbus Ohio as an extremely safe bet for the next 10-20 years.

I'm planning to buy one of their lots of 500 m2 but not sure if it's safe to buy with this company as there is no information or reviews in the web about Viventum or Sustenthabit which is the company behind this development.I gave the reservation fee but before signing the contract and give the down payment I'd like some advice.Any advice would be appreciated.

Ask for their advice on where to live that is safe and affordable.You don't have to rush into things. 

I would say if you don't know the area, you should check the eviction database for that street to see how often evictions occur, you should check crime on neighborhood scout or some other site, and you should drive by the property late at night and see whether you would feel safe getting out of the car.  

I really see Columbus Ohio as an extremely safe bet for the next 10-20 years.

You can't be too safe.