Do some data-based analysis to determine if this investment makes sense as opposed to emotion driven decision making.

I heard that with a 1031 exchange we would need to replace the entire debt.

I am based out of Charlottesville and am just starting to do flips here.

Along with negotiating the feasibility period and due diligence periods I'd concurrently do 2 things based on your plan:1. talk to the solar companies in the area and understand their site selection process, how they structure their deals, how they operate, etc. 2. talk to the power company and see if they need more renewable energy and if building another solar project in that area makes sense. 

If the higher insurance rates are a concern for you I suggest staying away from the high rises for now.We are surrounded by multiple military bases so there is always someone buying, selling or looking for rentals in our area and surrounding areas.

If you are just basing your analysis off of numbers, you'll be drawn to the Midwest.

You may connect with investors, exchange ideas, and get help through platforms like BiggerPockets, real estate Facebook groups, and LinkedIn groups.Make Connections with Experts: Speak with Houston-based bankers, contractors, property managers, real estate brokers, and other experts in the field.

I am inclined to sell because I feel like I'm sitting on cash and I do not like the idea of taking out a HELOC or other loans to continue my investing journey (I got debt free in 2022 except for the mortgage). 

Additionally, the national debt is becoming a thing.

Based on the purchase price and loan circumstances, your lender or real estate agent can tell you an estimate of these expenses.Rehab Costs: To determine the price of the duplex's required repairs and renovations, get quotations from builders or property inspectors.