That is our plan.The costs of renovating the property are added to the tax basis of the property for calculating the gains when the property is sold.

I found that my best bet was to keep some for rentals and flip the others via seller financing.

I then multiplied 333 by 2066) The fact you can't find any comps is a real problem.This calculation is almost certainly incorrect.

I calculate this at $48K/$36K or 1.33.

In Excel, there's a function to calculate the loan amount from the payment.

Your best bet is to go out buy at these low prices.

Is it normal to include only the interest portion of the mortgage payment in the cash flow calculation?

This is how I calculated my expenses...most of it goes toward property taxes which I looked up on the city tax assessor website.

You then leave and do some calculations as to the value of the house and the ballpark estimate of the repairs.

I sure as hell don't write poems, look at the periodic table and calculate the molecular structure of anything, know every little fact and date about every little war, or use trig on a normal basis.