We had the plumbing break down and had to install new PVC plumbing Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Added solar panels and a hot tub.

I'm concerned that the combined load of heat pumps and ancillary heat strips, along with other appliances, might exceed the 100-amp capacity during winter.As part of our future plans to add a third unit and separate the utilities, we intend to install two additional meters: one for common areas and one for the new unit.

So give another 12h notice to the tenant, drive there again and install. 

5️⃣ Energy-Efficient Upgrades: Solar panels = tax credits!

Are you installing new smoke alarms?

You could potentially install a mini split for the downstairs unit so they can control it themselves but that's a more costly remodel.

The exterior we removed all sheeting and replaced everything and installed vinyl to update it.

During renovation: getting a wireless solar cellular camera with motion sensors, night vision and lighting or post Renovation a Ring and or simplisafe system while your project is on the market.

Consider an Installment Sale: By structuring the sale to receive payments over multiple years, you can spread the capital gains tax liability over time, potentially keeping you in a lower tax bracket each year.11.