Tenant was acquired with property upon closing(they have lived in their unit for 2+ years with on time payments).

But those didn’t cash flow as good so I threw more $ down or my lender gave me a much better interest rate with a bigger down payment.

You can also check online resources like BiggerPockets or Roofstock, which offer general CapEx guidelines based on property type and age.These methods should help you perform a solid preliminary analysis.

No, just inform them you are the new owner (they may want proof) and provide them with the address to send payments. 

All the off market sellers that we worked with wanted 50% or more of a down payment with seller financing.

Down payment: Can you give us some of your reasons for wanting the larger down?

There is no 'per square foot' method that is accurate....At least until you have quite done a few.... 

Mostly on trade accounts with local businesses for the materials, some business credit cards, some of the contractors were OK with waiting 30 days for payment. 

Someone will reach out to you. split direct mail cost with the best, pursue other marketing methods with the person.

Then you will have a principal and interest payment of around $13,450.00 plus Taxes and insurance so add in another $2800 for $16,250.00 a month.