Quote from @Moshe Mindick: It’s nice to get the BS, PL, and detailed GL in excel.

Land is very tough to estimate value do to it's valie is based on what you can do with it and how much demand there is for what ever is ultimately done with it. 

When there is no court involved there is no case number (that's a simple indicator to look for in a notice if you have not researched the details of the property code) so you have to look elsewhere, but, where and what to look for?

Couple of details that would help the community here: what's your estimated value of house "A", the loan balance, and monthly rent?

Question is, if I have the means to put a high enough down payment on a house to be cash flow positive (assuming my expense estimates are accurate, etc.) is that something that I should do?  

Quote from @Hector Espinosa: Hi,I'm negotiating a seller financing deal which may be my first one and would like to ask for some advise about and what are advantages and disadvantages about seller financing deals.These are the seller financing terms:House Price: $330,000.00 USD​ (Sellers still owe ~$301,000 USD)Down Payment: 5% = $16,500 USD​Loan Amount: $313, 500​ (Monthly payments will be amortized as a 30 years loan​)Interest Rate: 4.531%Balloon Loan Term: 5 YearsMonthly Payment (P&I): $1,594.24​Closing Costs:  ~$3300 ​Zip Code: 74105Observations:       * HVAC requires an update but pending to inspection (replacing with a new one will cost ~$10,000 - $15,000 USD )     * Expected Rent Income: $2,000- $2,300 but this is has been really complicated to get a good estimate because is all over the place in the different sites I have checked

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What do you estimate is the difference between the market rent (or what other tenants pay) and what she pays?

My realtor found the city building inspection report which details that the unit needs to be de converted as it cannot be brought up to code.

The rent is calculated from the zillow estimates.