I have not bought my first property yet, so for those of you that have, how accurate is this rule of thumb?

Need those to be able to get an accurate opinion on whether to sell or rent it out.

Tom,About the only thing that was accurate on what you were told was that a Homeowners Policy is not the right type of coverage for a non-owner occupied dwelling. 

Its my first potential commercial renter.need some averages or source for averages.1st floor, 2 office space, with half bath, kitchenette, on main st small town, with heat, water, electric included.modern 850 sqft office with 1000 sqft dry basement. parking, plowing, etc included. local realtor said all utilities incld avg on busiest road is $13-14 sqft.how accurate is website reonomy?  

.- HML often have a hard time giving the new lender an accurate "payoff statement" and verification of on-time payments to them (latter necessary because HML typically do not appear on credit), which can delay the refinance causing (surprise surprise) the HML to get another month and change of interest out of you at the crazy high interest rate.

Accurate comps.  

I understand the general concept but I am not comfortable enough yet with the details to accurately explain the positives and potential negatives to my client.

I had a few. questions in regards to rehab cost, how do you find an accurate number on rehab cost. do you hire a contractor to come out and give you an estimate or do you look into cost of items that need repaired and calculate the cost that way. second  has debt to income ratio  bin a problem for anyone starting out when it comes to have approval for loans.

The various calculator are a fantastic resource which I've been using to try analyse a bunch of deals to develop my own knowledge and experience.I've been struggling to quickly and accurately estimate the Variable Landlord-Paid Expenses for rental properties. 

When I’m trying to find potential rentals would it be fairly accurate to use the givin mortgage quote on realtor websites?