In places where I provide utilities I must provide within the temperature range the state requires but I don't need to let tenants control the thermostat whereas if they pay utilities they must have control. 

Since we have mortgage on the selling property,  are we required to get a morgage for new property as well or we can do all money down ?

These buildings are VERY old and require a lot of maintenance/capex.You can find great deals in all of the listed areas.

I am not worried about the integrity of the structure, but will the bank require this to be fixed?

Maybe depends on value of the house and credit worthiness of the buyer.Also 1st lienholder may not allow, depends on who that lender is and what requirements they have. 

also shivani these days the way I do it is I checked the inspection report and I would categorize it, will it require 30k-50k rehab, is it 75k-100k project ?

Quote from @Michael Potorti: Analyzing areas around Columbus OH for purchasing duplexes and SFH for appreciation / cash flow - would like to stay in $100-200k range - any insight on where to target and areas to avoid are appreciated.This question depends on your desire for future earnings or immediate returns.

Yes you can, you would be required to occupy the property for at least a year.

Remember to conduct thorough due diligence as these properties often require rehabilitation.

30 year fixed, low interest rate DSCR BLANKET loans (put multiple 1-4 unit properties under one loan for cash out or for purchase).Ground Up Construction loans for aspiring developers with NO Experience100% Financing on Fix and Flips (just pay closing costs and prepaid taxes/insurance)Fix and Flip financing that requires no appraisalHELOCS on investment propertiesBuilder's Forwards (for medium to larger developers who want to hedge interest rates on their properties they plan to sell so they can offer "low builders rates").DSCR loans for long term AND short term rentals (I think this is becoming more and more common, but some people have still never heard of this).And so much more!