Any specific blogs, people or places I need to plug-in to learn?

Be careful - follow the laws specific to your area.

If actions by the tenant in a NNN lease leads to a contractor placing a mechanics lien on the property, and assuming the lease agreement does not specifically address this scenario, what options are available to the landlord to resolve this?

I rent specifically to contractors working short term jobs at a local petroleum refinery.

Specifically, there's job growth (Intel, Honda, Amazon, Nationwide, etc) and the population is growing (unlike Cleveland or Cincy).

We were strictly money partners What was the outcome?

Maybe talk to a real estate agent or financial advisor to get some more specific advice tailored to your situation.

I haven't yet What was the outcome?

There are even lending programs specifically for this.4.

First step would be connect with a local lender familiar with the strategy specifically utilizing fha loans.