I can assure you that any returns that I quote are accurate my friend.  

Is it possible to get a accurate estimate on a property repair value and rehab cost without using the MLS? 

My problem is understanding how to accurately underwrite these deals.

I pulled some comps from *******************.com (don't rally know how accurate it is) and saw as low as 35k and high as 110k.

@Gamble LiAround here (Fredericton), the inventory on 6-10 unit buildings is pretty tight  - though there are a couple for sale at the moment in a part of the City that is a little less desirable.  

I always wanted to have rentals, and since I am buying a bigger home for my family, I thought its a great opportunity to start by renting my current house.Its a regular starter home 3 bed 2 bath about 1350 sqft normal in the areaI need Tips on how to go about this.How to  accurately calculate my house rent value?

(rent - expenses ) ignoring mortgage costs.expenses captured are accurate?

@Sovannary O.You'd have to provide more details for anyone to accurately answer this. 

I would definitely give it a try, it will be an educated gamble. 

How accurate are the property values in the county assessor's website?