It has modern electrical and copper plumbing.

So we have a showing agent for buyers and tenants and a host of independent contractors for handywork, cleanouts, unit turnovers, HVAC, plumbing, electric.......ETC. 

Some electrical, redid half of the plumbing with flexy pipe and did did a kitchen tranplant from one house to mine... it was pretty interesting.

YESAll of these need permits because you're changing the use of the space, and things like electrical, plumbing, and HVAC will come into play (which require permits).

Some of the repairs I did were from handymen or small contractors who do not have an invoice system or estimate on paper for cash payment like painting and rent ready repairs.

.✅ HVAC System – Ensure heating and cooling systems are operating efficiently.✅ Electrical – Identify faulty wiring or outdated equipment that could be a safety hazard.✅ Plumbing – Detect leaks or hidden damage before they escalate into major expenses.A small investment in a home inspection can save you thousands in unexpected repairs and help protect your bottom line.Do you get a property inspected before making an investment decision?

This ensures similar construction, plumbing, electrical systems, and design.

-Upgraded Bathrooms: New GFCIs, modern plumbing fixtures, toilets, and vanities with quartz countertops.

I'm curious what others have found useful for their outdoor camera setup and lock systems (WiFi...?)   

Question, is it better to keep the concrete slab and rough plumbing or demo that too?