You have no buildings to maintain. 

There are also additional costs of operating and maintaining an LLC, like separate bank accounts, annual report filings, tax filings, etc.2.

Just ensure the property is clean, well-maintained, staged how it will be in reality and properly lit.

@Bruce Woodruff  definitely keep the stair carpet--you need to maintain the aesthetic flow with the carpeted bathroom :)

Maintaining a Series LLC will be easier than having multiple LLCs, but slightly more complex than having a single LLC.

Here are some ways to increase cash flow from your properties:1.Raise rent: Regularly reviewing and increasing rent can help increase cash flow from your properties, but it’s important to ensure that the rent remains competitive and in line with the local market.2.Improve property management: Hiring a professional property management company can help streamline operations and increase efficiency, freeing up more cash flow.3.Increase occupancy rates: Increasing occupancy rates through effective marketing and tenant retention strategies can increase cash flow by reducing the amount of time the property is vacant.4.Implement energy-efficient upgrades: Making energy-efficient upgrades, such as installing energy-saving appliances or adding insulation, can help reduce utility costs and increase cash flow.5.Implement a preventative maintenance program: Regularly maintaining and repairing properties can help reduce the costs of major repairs down the road and increase cash flow.6.Diversify your portfolio: Diversifying your portfolio by investing in multiple properties in different geographic locations and markets can help reduce risk and increase cash flow.7.Refinance: Refinancing your properties can help lower your monthly mortgage payments, freeing up cash flow for other expenses or investments.By implementing these strategies, you can increase the cash flow from your properties and achieve a higher return on your investment.

They do not have that many parts so are easy to maintain and are pretty bullet proof. 

@John Underwood we see the windows open from the outside, and the smart thermostat shows temp its set to maintain. 

We just tell people that in order to ensure our office maintains the consistency that is required by fair housing, we require everyone to use the identical form for their accommodation request.  

In other words, you're really not getting around the wood eating creatures unless you maintain an active termite bond/annual treatment from the date it's built.