Permits may be needed for bedroom or bathroom modifications, especially if plumbing, electrical, or structural changes are involved.

Prior to losing the home in foreclosure the previous owner had retaliated against the lender by cutting out most of the exposed electrical wiring and removing the heat and air units from the property. 

Regarding the electrical issue - we always attempt to troubleshoot with the resident prior to dispatching a vendor. 

Electrical and plumbing all updated within the last 4 years.

When we viewed it it had electricity.

Quote from @Miguel Del Mazo: It basically says that if the electric bill is twice what the same month's bill from last year was, the overage will be charged as a fine.That's a good barometer actually.

In each category, note how much you are bothered or stressed on a 1 to 5 scale, with 1 = not bothered at all and 5 = stressed out: Pain Points Stress1 to 5 Pain Points Stress1 to 5 Unit turnover Exterior maintenance Advertising for available units Deferred capital expenditures Tenant screening rules Plumbing or electrical emergencies Tenant selection / discrimination rules Mortgage payments Documenting move-in conditions Bookkeeping and bill paying Documenting ongoing conditions Taxes and insurance premiums Dealing with tenant complaints Risk of late payments or non-payments Dealing with neighbor complaints Risk of property damage or vandalism Mold, termites and rodents Premises liability Interior maintenance Evicting tenants If your completed table has mostly 1s and 2s, then congratulations—you are a happy landlord!

Property details: 3 bed 2 bath both sides with attached garages, aluminum siding, copper plumbing, 1972 construction, separately metered, all electric water heater, range, dryer, public water and public sewer on a slab foundation in a great school district right next to brand new construction everywhere.

They wanted upgrades to electrical panel that was upgraded in 2009 to current code  (arc fault breakers) they said they would walk , I said good bye . 

My longest recent rehab was 2.25 months and added a half bathroom, took down 4 walks including load bearing, put up 3 walls, new plumbing, electrical, flooring, huge percentage of drywall, an eye brow porch, new kitchen with full layout change and new bathroom with full layout change.