We will purchase 20 1 trip 20-foot cargo containers for $3,200 each set-in place and delivered. 

I know this statement isn't regarding Maryland, but in Florida, the landlord must deliver written notice of intent to claim monies from the deposit by certified mail to the tenant's last known address within 30 days from the vacate date upon termination of the lease.

Personally I require they give the money to the title company and it is refundable in the event I cannot deliver clear title.Hope this clears it up for you!

Delivered a 3-day notice to pay rent or quit 3 days ago.

Ohio seems to be the best state I see that is delivering better results.  

So, DELIVER on EXPERIENCES.     

Lastly in taking the CI training we soon discovered that it is a gigantic sales pitch for more money and products that are never delivered.

I don't know what your state's statutory or case law states about the lease provision you mentioned, but assuming it's a valid lease provision, you could give notice of lease termination based on that provision, but be careful, because if you deliver a notice to pay in conjunction with a notice to terminate, a court your jurisdiction could rule that the 2 notices are "confusing" and could constitute a defense for the tenant.

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I have a $385,000 "note" that I owe $300,000 on for an instant equity of $85,000.