I am both an investor and a GC, so I can see both sides, but really, the only reason mosts GCs work with investors is the possibilty of an ongoing stream of business.

Do thorough research before you buy anything, prioritize risk management, and engage in ongoing education.Good luck!

This will give you some guidance on going out and being successful in getting a property like this but might not be the first time, keep trying! 

@Derrick WallaceOne does have to have ongoing self-employment in order to sponsor a Solo 401k plan.  

Be as detailed and specific as possible when mentioning your future plans, current operation/experience level, ongoing projects, etc.

I would focus more on going to meetups, saving money, and learning, before jumping too soon into something with a hard paydown vs. incoming income and no savings.

If the man is an on-going liability to your property and a danger to other tenants, it seems to me that putting something on the door to keep it from staying open is the least of your worries. 

This year I've had two water leaks, one of them is ongoing.

And now I’m planning on going to look at a new building today or tomorrow.

Typically when getting checkbook control you will have a higher establishment fee but less ongoing fees and delays when having to go through the custodian each time you need to perform a transaction.