You have to look underneath the deal.  

If roof layer up top looks good the underneath might still be bad.

I've seen running backs try to cut up field and the sod will move underneath their feet.

Whiting is one of those areas that you need to be a bit careful though, Them and more so East Chicago have had a lot of incidents of lead and arsenic pollution in the soil.https://wgntv.com/2018/05/08/more-lead-contamination-found-in-nw-indiana-soil/

(Density, setbacks etc) Sometimes I'll set a meeting with city officials to discuss.Physical- Geo technical (soil) and Enviro- you will spend money here, but with this, architects and GC's are a waste of money. 

Drainage is normally easy to address-extend the downspouts on the gutters, move the soil to change the grade, add a drain. 

East Fayetteville is great as well with top notch schools you just need to be on the look out for foundation issues as a lot of those houses are built on rocky soil. 

@Bud GaffneyI'd worry about extra business activity not being covered on your standard insurance policy and the extra liability involved in stockpiling flammable material underneath your tenants dwelling.

See the closest hill to town, all rock and soil.  

First she claimed that this issue would be solved by buying a brand new faucet, then she said she thinks the entire vanity needs to be replaced.Then at 1:00 AM last night I heard dripping in the closet right underneath their bathroom.