@Johnny KangI've tried to mail first, then call and even leave voice mail.

You can also get a google voice number and just copy/paste the message to each one from your phone or computer.

He's always been there to voice his opinions and offer invaluable advice.

So, some will innovate in ways that were not anticipated.

Either call your landlord and voice your concerns and see if they would address the issue or simply go to your local hardware store ( Lowe’s or Home Depot) and get a small piece of thin plywood or some other material to place over the hole that would still allow the lines to come through.

I am an agent in the area, I can give you referrals and let my clients voice their opinions on whether I qualify as awesome. 

I have one property that we bought in Nov'15 for $185K, its appraised last year around $315, and I think it might be worth $400K or more.

Pete with Innovative Basement Solutions is very knowledgeable when it comes to foundations and foundation repairs 

If you call them with an aggressive or defensive tone of voice, the likelihood that the activity will continue, or even increase, is strong. 

So you'll see a lot of repetitive behavior like that since innovation won't be well rewarded.