I have given myself a learning deadline in 2 months so I make sure I eventually act.

Also,   The beginning of 2022 you can file a tax appeal. 

And the renewal notice going out should always have a deadline for them to sign and return.

I will probably have to wait until March when I file 2021 unfortunately. 

Make sure the information you’ve entered matches exactly with what the IRS has on file, and that the address you entered is a valid US Postal Service address."

There are many statutory deadlines for notices and actions that need to filed, so I highly highly recommend engaging with an attorney, such as @Emmett R.

Quiet title action does not obliterate current liens, it's usually for very old liens where releases are not file, and lienholders cannot be found. 

LLC vesting is costly to register annually and file extra tax returns. 

In the past, we have filed individual taxes with schedule E but with the portfolio growing to be something more serious business rather than hobby house fixing, we are looking into Accountants/Tax Prep.

I imagine that, if I start investing in Ohio, I'll have to start filing taxes in Ohio for any properties that I own here.