Use low maintenance materials as me tinned above.Have qualified installers who don't cut corners.Buy materials with long warranties as this usually signifies higher quality products.

I'm not sure what area you are looking at but purchasing a lot here in colorado for example you'll have the costs of drilling a well, installing a septic system, running power to your lot, installing a driveway, etc, etc.

@Bjorn Ahlblad - i contacted the insurance company and ask how i could get my rates, one building was knob and tube wiring, I installed 3 x 200 amp SquareD panels my self.

They'll make sure all the windows work, and that the smoke alarms are installed correctly, that any stairway with more than 2 steps has a railing, etc. 

Sewage included in rent, Solar Panels, Trash and Sewer.

Some of our clients have even installed two separate electric meters on the property, which would require two separate addresses.

Like your exact location on where you are installing them.

If you decide to sell another strategy for you to consider as an alternative to a 1031 is a structured installment sale. 

, cleaned, and installed new HVAC, ran all new pex lines/valves/shut offs, all new hardwood flooring and carpet, all new and expanded kitchen cabinets, new appliances, created full bath and connected it to a bedroom to create en suite, repurposed 2 unused rooms (1 into a 4th bedroom/office/playroom and one into a family room, installed new interior and exterior lighting throughout, new automatic garage door, and landscaped.

.: @Carlos Ptriawanyep, am still waiting for ChatGPT to be able to tell me what the condition of every single sewer line in Pittsburgh is.This should be doable by installing some IOT device lol