We just discovered a crack in the concrete slab foundation that is a borderline major problem:- It is a vertical crack about 1/8 inch wide that is at least 9ft long, which is causing a 3/4 inch drop in the flooring and some evidence of old (luckily) limited moisture and termite intrusion. - BUT, it also appears old and probably a symptom of the original house settling.

Take this time to make sure you have professional photos of the unit taken.

Apply the 70% rule to determine your maximum allowable offer, then negotiate and get the property under contract, ensuring your agreement includes inspection and financing contingencies.Arrange professional inspections to uncover any unforeseen issues, using these findings to negotiate concessions or confirm your repair budget.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

They would be better off paying the professional to do it quickly and correctly the few times they will need a garage door opener installed.Even though i open permits slightly regularly, when i open a permit in a new jurisdiction it typically has some unique quirks that i need to learn.  

There's no accountability on tenant (simply fill out a bogus covid hardship form saying they cannot pay anything).Is it possible for me or some professional to do a credit report and dig up information on what their net worth is and go after their assets in the courts and the judge would force them to pay out of their checking / savings / retirement accounts?

I understand that means paying the right professional for their services. 

Work Quality:I hired professionals to inspect the work, and they found multiple issues and evidence of negligence in the construction.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

It was a gut punch to see the tenants whose income we were counting on mass exodus the building right after we closed Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?