Also, all my LLC’s are taxed like S Corps which prevents the double taxation.

The city has been losing jobs and people for many years and the city has done little to prevent it from deteriorating.

Should I get a CPA to set up my QuickBooks at the beginning in case of audit and to prevent poor bookkeeping.

Was there something going on at the time that prevented you from doing it?  

Do you have Rent control in your area preventing you from raising rents?

My example not only were they chronically late, but I had already forgiven 3 months worth of rent over the 4 years because of various sob stories, while true, didn't prevent him from having top of the line cable, and a new car. 

., a sidewalk) shouldn't create any liability on your part, although you'll want to make sure your insurance will defend you when you get sued (the lawyer's motto is "sue everyone in sight'), but a dog getting onto your property might create liability for failure to take reasonable efforts to prevent the danger.

Things like zoning, required minimum set backs, environmental features, minimum square footage, and many more things can impact or even prevent building what you want. 

I was running around in snow pants trying to find a store with space heaters still in stock and setting them up to heat the walls to prevent them from bursting.

I was running around in snow pants trying to find a store with space heaters still in stock and setting them up to heat the walls to prevent them from bursting.