Analyze the property and determine what price you are willing to pay, then offer that amount.

1.Zoning and Land UseUnrestricted Areas & Mobile Homes:How can I determine if a piece of land is in an unrestricted area or suitable for placing a mobile home?

Whether To file a 1065 partnership return or being treat it as a disregarded entity, Is the determination based on the location of the property or the owners' residence state?

Trial and error help you to determine your list.4.

How much is yet to be determined.

This helps you determine what offer makes sense to you.

I'm very good at running comps and determining rehab costs.

You will need to determine the level you participate in your investment as well it makes a big difference. 

My other SFR notes have interest rates determined by the borrower's cash, credit score and income - so market rates or higher.I understand the difference in performing vs non-performing notes and that performing can become non-performing pretty easily. 

If you determine that the numbers look good, make sure to check other sites to see if the comparable property is on multiple sites that may add to the numbers.