This is a "repairs".   

There is always the risk that after you do the repair, the the system fails quickly after that. 

The repairs required by Section 8 after the initial inspection were pretty minimal, but I've heard that there are grants and certain lending programs that were available for Section 8 landlords (such as the Community Investment Program).

what about capex, repairs, vacancy, property management?

IN case the house you bought needs urgent repairs because of some natural events .

I still have the other property left and I think I will keep it at least for several more years.I have been doing necessary repairs and upgrades on the property that I still owe including some that I foresee I would've had to do in the near future.

I am trying to finance my repair and renovation for a duplex investment of 2500 sq ft property that I recently purchased.

Also, explain how you'll share the acquisition costs, such as the down payment, renovation, and closing costs.Payment Responsibilities: Explain how to divide and pay for regular costs like mortgage, property taxes, insurance, homeowners association fees (if applicable), and upkeep expenses.Management and Maintenance: Agree on how property maintenance, repairs, and improvements will be handled, including decision-making processes, funding for these activities, and responsibilities for performing or managing the work.Single Decision Point: For example, I've seen situations where one person agreed to replace an appliance while another strongly opposed it.

We have multiple appraisals in hand that show an after repair value of about 2.3M.

A hard money lender who does NOT require a "subject to" appraisal  (which is an appraisal done with your scope of work in hand, and the appraiser gives you the after repair value) is 100% NOT doing you a favor. at all.