If you have the deep pockets to pay cash, are familiar with the area and the property, and have enough $$$ to make repairs (estimate the worst case scenario), and the property checks off most of the "wants/needs" on your/your parent's list, go ahead and make your best offer.You could also call the listing agent and ask them if the seller has any special requirements that they would really like to see in an offer.  

Finding new books on the subject that drill down deep has been very difficult, because most of the new books that I have seen are just re-hashing the same books that are out there. 

BUT, deep inside I was never fulfilled.

It seems for an investor like you with a much more complex credit history and financials a highly responsive lender with deep knowledge and resources would be worth their price.

It just seems like you have some unattended to deep seated issues that are eating away at you.

He liked that I had really dug deep into the project and was committed.My partner actually bought me the private lender (Network!) 

I will not go deep into what this entails as there are numerous books and resources to explain this.

We have lived in apartments, we never got a deep cleaned washing machine every time we used it.

The only way you'd get that past the underwriters would be some deep misleading, and then there's the ethical quagmire of it.70% max LTV sounds to me like you are asking banks about refinancing into an LLC (i.e. you're asking them about a commercial loan on the refinance). 

Be willing to be deep in the details, be onsite everyday during the building process, and negotiate everything.