The seller notified me that when the foundation was replaced in November, a fresh water test was passed, but a possible sewage leak was spotted. 

It’s not a luxury apartment, but the floor and kitchen is new, and fresh paint.

The Insurance company will have to investigate.  

Fresh content on a steady basis will attract and keep viewers.Highlight a business each week.

Yes, ground water is the #1 fresh water source in the world and is currently untapped.

They will likely resent the increase and possibly become problematic.Unless they are excellent tenants in every sense of the word, I prefer to give them notice and start fresh at market rate.

I graduated from college in 2015 , you can imagine fresh out of college with a degree or I would like to say a paper that can’t pay my bills.

However if as Owner Occupied, then you are required to live there for at least 1 year, otherwise if you don't get specific written permission from the lender, you may have just committed Occupancy Fraud, which is investigated by the FBI.2) As to how a future lender will look at the HELOC when you are applying for a new owner occupied mortgage.

Curious what peoples thoughts are on freshly remodeled homes - are they really to be treated as "new" homes with significantly lower maintenance?

What you have going for you is determination and a fresh perspective.