for starters, you can't use the online version of turbto tax to complete your 2020 tax return.. Online only accomodates 2021 taxes returns (and that will shut down in October).
You must use the desktop version
https://turbotax.intuit.com/personal-taxes/past-years-products/
not sure what you mean by 'huge loss from tenant', but that can be addressed once you begin the tax return.
