Here in Maine, it routinely gets deep into the negative temperatures in winter, so lack of power/heat/hot water can quickly become a health and safety issue, especially if there are small children/elderly or those with health issues in the building.

These floors handle Rochester's temperature swings, resist water damage, and maintain appearance despite heavy use.

The down sides to an all concrete house is temperature retention good or bad. 

The heat would rise and shut off the upstairs thermostat, causing the upstairs bedrooms to get cold.The downstairs unit was a small one-bedroom, and the fireplace would heat the living room to the point where it was concerning from a temperature and CO2 perspective. 

A heating thermostat has a differential; the temperature difference between beginning and end of cycle.

So for example, if you said, please smoke outside unless it is really cold, then you could quite easily notice that the temperature threshold which constitutes "really cold" could start drifting upward over time.

It’s an older home, so in my underwriting I factored in:10% for CapEx10% for maintenance/repairs5% vacancyTaxes and insuranceA $20k rehab budgetEven with those numbers built in, the duplex still projects about $400/month in cash flow.Current condition / planned updates:Outside: gutters need work, screened-in concrete patio has a large crack, and there are some shingle repairs needed.Upstairs unit: old carpets + laminate that’s separating (needs new flooring), no thermostat for temperature control, painting planned, and I’m hunting for a used bathroom vanity on Facebook Marketplace.Questions for the group:Interior priorities – Beyond flooring, painting, and vanity replacement, what would you focus on to make the upstairs more attractive to renters without overspending?

At 22 with a welding background and already diving into wholesaling, you're ahead of the game.

The agent you work with could do temperature checks on activity.

We are able to set the temperature but the boiler is a headache that never really stops.