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.

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.

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.

I'm going to be looking to get my realty license primarily to benefit my own investing ventures rather than actively looking to take on clients as a stream of income.

There is no such thing as a "standard fee," however each agent has a fee that they typically use based on how they want to get paid.

Investigate conventional finance, FHA loans, and other programs that can be in line with your objectives.Through networking, word-of-mouth, or direct communication with property owners, take into consideration investigating off-market options.

Communicating openly and proactively with your lender can also help in finding a solution that works for both parties.

A simple LLC should work fine for your purposes (based on your post, I'm not aware of your situation entirely)

The communication starts long before check in.