How to be 100% GDPR compliant

The deadline to become GDPR compliant has well passed, and we’re still learning in real-time how this European Union-based data protection regulation is going to be interpreted and enforced.
And as you’ve seen personally, every company is interpreting how best to comply differently.  There is no playbook, no specific set of instructions everyone can unilaterally follow.
So what does it cost to be 100% GDPR compliant?  Apparently the answer is $1.8 million dollars.
That’s the cost quoted to a CMO in Seattle by her legal counsel.  Given, this was outside counsel whose job is to protect the business at all costs (not necessarily to balance risk/protection with business needs).  But for most businesses, $1.8 million is out of the question.
So how do you become, and stay, compliant with an overseas data protection request for a fraction of that cost?
The truth is, there’s likely no such thing as 100% GDPR compliant right now.  As