However, comprehensive auto insurance may cover wire damage caused by rodents so I've recommended that to the tenants.

So far the deaths in the US are eqaul to about a WEEK of auto deaths.   

Then you meet them at the property, hand them the key and give expectations such as when and how to replace air filters, properly use the thermostat including making sure the fan is on 'auto' and never 'on', where the trash/recycling cans are kept and when to put them at the curb, etc. 

If it wasn't for o/time meals, o/time pay, paid lunches & auto mileage payouts of $300-$400/month I might have been struggling.I worked from 85-98 then retired, (regretfully) sold some of those that appreciated nicely, sold partnerships in others to pay down debt & then accumulate more & have not had a mortgage or any debt since. 

They may have programmed an auto-charge in their software that neither you or they caught until now.

Do you require auto pay or offer online payments?

Most of them have a timer setting to auto-lock.

And she is usually late on her payment, somehow she can not set up auto pay so I have to go in person and pick up the rent 3-4 days late.  

Below pastes is my auto responder and I bet there’s many violations in it too!

The average American is carrying approximately $6,000 in cc debt (w/ a 17.99-24.99 interest rate), the college grads are sitting on tens of thousands of student debt & auto debt is at record highs.