Days on market are around 80 days on average, depending on the area.

From the numbers perspective it seems like it can pencil out depending on the rehab budget. 

Please be careful that they might still be the dog and depending on the breed, your insurance may be in jeopardy.

Weather differs depending on where properties are located and even snow accumulation within the same geographic area will vary year to year.

Your credit score is high enough to get something done, but whether or not that delinquency will fly is going to depend on the lender/underwriter.

It also depend on the condition of the property. 

As far as timeframe, anywhere from 21-45 days depending on how quick a borrower gets their docs to underwriting, how long the appraisal takes, etc.

Depending on your goals and how you are buying your properties you may notice that certain areas are difficult to cash flow in NH depending on your strategy and what type(s) of properties you are looking at. 

@ Sanjay BakshiHonestly it would depend on the demographics of your rentals.

The amount of capital required from your savings to purchase multiple properties depends on the appreciation rates.