This along with your roof should be one of the 1st items explored. 

Richmond, VA is a great choice for real estate investors due to its diverse economy, affordable property prices, and rental demand from universities and young professionals.

The foundational items, roofing, HVAC, plumbing and electrical were newer and needed very minimal replacing and updating.

Why buy the real estate equivalent of a penny stock when you can afford to buy blue chip aristocrat dividend stocks (Class A multifamily properties in good locations with actual strong fundamentals like population growth, a diverse and recession-resistant job market, limited supply and high demand, affordability, and consistent long-term appreciation)?

How are flippers purchasing items such as Tile, LVP, Windows, Doors and so on at an extreme discount?

.- 12/13 the check of course bounces due to her putting a stop payment on the check- 12/13 I was notified that she turned off utilities on 12/12- 12/14 I provided her email stating I would be checking on the property on 12/15 (24 HR notice)- signed lease through August 2018- I have $1650 ($1350 rent and 300 pet deposit) in security deposits- upon checking on property I found that there are no items of value in my property and she had left all keys and garage door openers that I had originally provided her.

If you're in a diverse market and opportunities for either single or multifamily properties will support your ROI goals then I say don't exclude either segment in your search.Regarding your comment that a multiplex may be riskier with lots of maintenance & vacancies, this is only true if you let it be true. 

Not really sure how much is involved with replacement as some items have seen say there may be asbestos in the duct work.   

Diversification potential: The region encompasses diverse markets - from revitalizing rust belt cities to booming tech hubs - allowing investors to spread risk across different economic drivers.5.

However, the LLC will need to chip-in financially to help complete this renovation.My general question is what items should the LLC cover and which should my father cover for best tax benefits?