However, if a Tenant ever contests the charges and takes you to court, then a court will not compensate you for labor charges.

Remedies may be available, such as petitioning the court of jurisdiction to confirm ownership; however any legal action is usually a pretty large added expense.As others have mentioned, it’s almost a “classic case” when a person with little or no experience, knowledge or expertise in the real estate foreclosure/bankruptcy/mortgage world buys a property at auction.  

You can contact your local court and ask which attorney does the most evictions.

Also, if there are other attorney fees besides judgement (like attorney filing "writ of possession" fee, and court fee for "writ of possession"), can this amount be deducted from security deposit as well?

It would probably be small claims court, so you could handle it without a lawyer. 

Wisconsin is a judicial state, so there are numerous court hearings that can drag out the process 2-3 years or more.When you see a foreclosure re-posted every month it's most likely because the borrower is in a loan modification or loan forbearance agreement with the lender.

If that is not possible, the spouse may have to gain a conservatorship from the courts to assume authority to act on her husband's behalf if he is deemed incapacitated/unfit to make his own decisions. 

I realize different regions had a variety of different programs providing rental assistance via covid related funds, and many, including our State, also had moratoriums on evictions, or for that matter, court cases in general.

There's no easy way other than to lawyer up and/or take them to small claims court for fraud. 

Then you'd need to pursue a court action to compel them to comply either through eviction for the lease violation (failure to provide access), or a specific court order awarding access which then the police will enforce since they have a court order.