They will break.We have used appliances in most of our rentals, and they have all lasted longer than 3 years so far with no issues.

If I'm going to have an issue it would be now. 

One thing to note is by paying it down, it can hurt liquidity so if that is an issue, keeping it in a bank account would be a better bet, but if liquidity not an issue, then I agree 100%

The interest is accumulated when borrowing money from the lender.

because the delay issue is a cell phone based camera not connected to wifi at all only on a cell network.

My wife and I decided that we would rent out the house but because we have received a grant for the down payment and closing costs from the city of Baltimore, we are wondering if it’s okay to rent out the property without any issues or they would check to see if we live at the property or we did a mortgage fraud by renting out the property for not living it for 7-12 months.

issue will be if they will not sign it.

I think this is a creative idea with a lot of potential, though also with some unique issues as mentioned above. 

I've found a resource that brilliantly addresses these issues, offering extensive information for investors seeking to enhance their understanding in this field.

One of the tenants appears mentally ill and another has anger issues.