So many people pass on great deals all of the time because they are scared to fail. 

The way tax liens work, the certificate holder gets to exercise their right under law to take ownership of the property (get the deed) when the redemption period expires and the owner fails to respond/ repay once the deed process has been concluded.

I’d bet over 99% of people who learn about it in his system fail at it and It costs $1000 or more to get started.

I used to use Podio and still have an account--but it failed on the automation aspects. 

(b) If a person offering to redeem fails or refuses to nominate a referee as provided in subsection (a) of this section, he or she must pay the value put upon the improvements by the then holder of the legal title.

Lastly a Heloc will "Never" act as an asset or PITI reserve so if you fail to have sufficient funds required in reserves (Cash) then your will not buy multiple investment rentals.

They failed you.The solution is to not use real estate agents in the future.

If Property B fails, it can impact Property A and the whole house of cards comes tumbling down.It's also hard to make the numbers work.

When you target towns based solely on your budget, you will fail.

If I were to take a poll of all of the investors who came before you and who  implemented similar entity formation structures I suspect at least 90% fail to utilize the correct insurance depending on the status of their project (vacant, builders risk, property etc.), fail to execute contracts with vendors, use uninsured and unlicensed vendors, fail to be added as additional insured (likely don't even know the difference between being a certificate holder and being added as additional insured).