This address is reflected in the land survey, tax collector, and mortgage. 

If you do not get that tax credit its usually not profitable. 

You have the ability to sell while limiting your capital gains tax because you lived in 2 of the last 5 years. 

Vacancy rate, insurances taxes, interest rate, repairs and maintenance.

What you owe doesn’t affect how much tax you owe. 

As there are Californians still moving here, the vast majority are instead picking the states with low or no state income tax like Texas, Florida, or Tennessee.Although we still have a positive influx of people moving here, more people have been leaving due to rising housing costs in recent years.To put it in perspective, we saw around +45k in the 2010's.Overall, CO is basically a balanced net migration in recent years which is likely to keep home prices steady....

you'll probably still need something long term like software as others have suggested but this was a thought i had... you could see the actual profit or loss from a tax perspective for each property.

The IRS has a guide on rental income and deductions that might help: IRS Rental Property Tax Guide.2.

Did this go to auction or a tax sale?

You have tax benefits through depreciation and you are gaining experience via property management.