This should include potential rental income, expenses (including property taxes, insurance, maintenance, and potential vacancy), and your expected return on investment. 

Compare this to your total monthly costs, including mortgage, insurance, taxes, vacancy and maintenance.

I’m talking about getting thorough with expense estimates, factoring in property taxes, insurance, and a cushion for maintenance.

If you provide specific information such as the address, property purchase price and value,  credit, property rental income, taxes, insurance, experience, and Fico you should be able to get a term sheet detailing all the closing costs. 

Could you have the house rewired and plumbed by the world's slowest plumber and electrician?

I always let them know what I am doing and let them know about airbnb insurance or let them know that you will take care of repairs that tenants will do. 

Same answer whether you borrowed against your residence or against your rental A or against your life insurance or from your family or from any other source. 

Insurance costs have been crushing cashflow on a lot of rentals as well - I've seen HOI quotes on $200k-300k houses come in as much as $200.00/month over expectations.

It can rent for $3600/m Using 615k ARV and 75% LTV with taxes and insurance my payment is: $4267. 

@Olga K.It doesn’t necessarily confirm the sewer line is completely blocked—it might just be an issue with the internal plumbing or fixtures.