Also asking them how they calculate DSCR and whether its on Pro Forma or trailing 12 financials or tax returns.A lot of times you'll see properties that don't make DSCR on tax returns because the owner might have booked capital expenditures or major maintenance to repairs and maintenance. 

Can provide all the benefits from a cash flow and tax perspective.

The owner was motivated due to personal circumstances and wanted to avoid the hassle of listing the property publicly.To negotiate the deal, I started by understanding the seller’s priorities.

To avoid similar rip offs in the future, the investor needs to bear responsibility for vetting any investment offering they're contemplating, or if not just leave your money in government guaranteed investments (like FDIC insured bank accounts).  

Plus with no state income tax, cheap insurance, and very low property taxes, I’m probably starting $20k ahead of most people, and that’s a tax free $20k.).

BTW behind Texas.When all forms of taxes are calculated (income, property, and sales tax), CA ranks below the middle of the nation in total tax rate.  

Worse case I just continue to manufacture them through my fix-n-flip business and buy with seller financing where available.Also, is tax lien investing really viable today? 

Tax and Legal ConsiderationsUnderstand the tax implications and legal responsibilities associated with rental income.

Your other questions are better suited for an attorney to avoid misinformation.

However , properties taxes are due like roughly 12k for the two lots.